San Francisco drew many people, especially African Americans from the South, to the area. After the end of the war, many military personnel returning from service abroad and civilians who had originally come to work decided to stay. The United Nations Charter creating the United Nations was drafted and signed in San Francisco in 1945 and, in 1951, the Treaty of San Francisco officially ended the war with Japan. Urban planning projects in the 1950s and 1960s involved widespread destruction and redevelopment of west-side neighborhoods and the construction of new freeways, of which only a series of short segments were built before
San Francisco in the 1970s the remaining 15 people from the island, forcibly ending a 19-month occupation. In 1970, Alex de Renzy of San Francisco produced a documentary, "Pornography in Denmark: A New Approach", about the red light district of Copenhagen. The film, which grossed $2 million on a $15,000 budget, resulted in a well-documented court case, in which the judge ruled that it was "in keeping with the Supreme Court edict that draws the line between what constitutes free speech and what constitutes obscenity." As a result, some open-minded San Franciscans became filmmakers and porn merchants, with the likes of the Mitchell brothers and