Question: Herb Jeffries (born Umberto Alexander Valentino; September 24, 1913 - May 25, 2014) was an African-American actor of film and television and popular music and jazz singer-songwriter, known of his baritone voice. He was of African descent and Hollywood's first singing black cowboy. In the 1940s and 1950s Jeffries recorded for a number of labels, including RCA Victor, Exclusive, Coral, Decca, Bethlehem, Columbia, Mercury and Trend. His album Jamaica, recorded by RKO, is a concept album of self-composed calypso songs.

Touring the Deep South with Hines, Jeffries was struck by the realities of segregation, as the Orchestra's playing was restricted to tobacco warehouses and black-only movie theatres. Watching young boys fill theatres to watch the latest western, Jeffries resolved to create a cowboy hero geared specifically for such an audience. A self-confessed western buff who had grown up watching the silent escapades of Tom Mix and Jack Holt, in the 1930s Jeffries set out to produce a low-budget western with an all-black cast. Though the silent era had seen a number of films starring only black actors, they had all but disappeared with the economic downturn and the arrival of the talkies, which proved too expensive for many of the "white independents" funding such projects. Jeffries's ambition was to produce sound cinema's "first all-Negro musical western". To fund his project, Jeffries approached a veteran B-movie producer named Jed Buell. Jeffries, having obtained finances, wrote his own songs for the film and hired Spencer Williams to appear with him. When Buell wanted to know of a likely candidate for the lead role, Jeffries nominated himself. Having grown up partly on his grandfather's farm, he had all the requisite horse-riding and roping skills, beside a fine singing voice, but Buell expressed concerns; Jeffries, whose mother was of Irish descent, was "not black enough". Eventually they went ahead, using make-up to darken the leading man's skin tone. Jeffries made his debut as a crooning cowboy with Harlem on the Prairie, which was considered the first black western following the inauguration of the talkies and the first sound Western with an all-black cast. The movie was shot in 1937 over five days at N.B. Murray's Dude Ranch in Apple Valley, California, with Jeffries performing all his own stunts. Though critical reception was mixed, the film received a write-up in Time magazine and grossed $50,000 in its first 12 months. Playing a singing cowboy in low-budget films, Jeffries became known as the "Bronze Buckaroo" by his fans. In a time of American racial segregation, such "race movies" played mostly in theaters catering to African-American audiences. The films include Harlem on the Prairie, The Bronze Buckaroo, Harlem Rides the Range and Two-Gun Man from Harlem.  Jeffries went on to star in another three musical westerns over the next two years. Jeffries starred as a singing cowboy, in several all-black Western films, in which he sang his own western compositions. In those films, Jeffries starred as cowboy Bob Blake, sang and performed his own stunts. Bob Blake was the good guy, with a thin mustache, who wore a white Stetson and rode a white horse named Stardusk.  Jeffries went on to make other films, starring in the title film role of Calypso Joe co-starring Angie Dickinson in Calypso Joe (1957). In 1968, Jeffries appeared in the long-running western TV series The Virginian playing a gunslinger who intimidated the town. In the 1970s he appeared on episodes of I Dream of Jeannie and Hawaii Five-0. He later directed and produced Mundo depravados, a cult film starring his wife, Tempest Storm.

Using a quote from the above article, answer the following question: what role did he have in films, actor, or what?
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Answer: to star in

Problem: Margaret Higgins Sanger (born Margaret Louise Higgins, September 14, 1879 - September 6, 1966, also known as Margaret Sanger Slee) was an American birth control activist, sex educator, writer, and nurse. Sanger popularized the term "birth control", opened the first birth control clinic in the United States, and established organizations that evolved into the Planned Parenthood Federation of America. Sanger used her writings and speeches primarily to promote her way of thinking. She was prosecuted for her book Family Limitation under the Comstock Act in 1914.

Some countries in northwestern Europe had more liberal policies towards contraception than the United States at the time, and when Sanger visited a Dutch birth control clinic in 1915, she learned about diaphragms and became convinced that they were a more effective means of contraception than the suppositories and douches that she had been distributing back in the United States. Diaphragms were generally unavailable in the United States, so Sanger and others began importing them from Europe, in defiance of United States law.  On October 16, 1916, Sanger opened a family planning and birth control clinic at 46 Amboy Street in the Brownsville neighborhood of Brooklyn, the first of its kind in the United States. Nine days after the clinic opened, Sanger was arrested. Sanger's bail was set at $500 and she went back home. Sanger continued seeing some women in the clinic until the police came a second time. This time, Sanger and her sister, Ethel Byrne, were arrested for breaking a New York state law that prohibited distribution of contraceptives. Sanger was also charged with running a public nuisance. Sanger and Byrne went to trial in January 1917. Byrne was convicted and sentenced to 30 days in a workhouse but went on a hunger strike. She was force-fed, the first woman hunger striker in the US to be so treated. Only when Sanger pledged that Byrne would never break the law was she pardoned after ten days. Sanger was convicted; the trial judge held that women did not have "the right to copulate with a feeling of security that there will be no resulting conception." Sanger was offered a more lenient sentence if she promised to not break the law again, but she replied: "I cannot respect the law as it exists today." For this, she was sentenced to 30 days in a workhouse. An initial appeal was rejected, but in a subsequent court proceeding in 1918, the birth control movement won a victory when Judge Frederick E. Crane of the New York Court of Appeals issued a ruling which allowed doctors to prescribe contraception. The publicity surrounding Sanger's arrest, trial, and appeal sparked birth control activism across the United States and earned the support of numerous donors, who would provide her with funding and support for future endeavors.  In February 1917, Sanger began publishing the monthly periodical Birth Control Review.

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In February 1917, Sanger began publishing the monthly periodical Birth Control Review.