First Earth day
Preservation of nature or saving the earth already started in late 19th century and early 20th. Theodore Roosevelt was the first president who tried to conserve the nature while being most productive with land usage, signed American Antiquities Act of 1906 and with that he selected national parks and national monuments. People who pushed Roosevelt for this kind of act were called muckrakers, there, however were many people before them like the Hudson River School who tried to appreciate the nature.
Hudson River School Paintings
Kent State University
Kent State University shooting was mainly used by the Tet Offensive during the Vietnam war, which began in 1955. On January 1968, the Vietnamese new year day (Tet), the war broke out and the US had a victory, but because of the video from the war released the the public by the news company, many people became to protest against the war. Many students too, protested and this was one of the severe protests, where 4 students were shot and killed.
Since the 18th century, labor unions have existed to fight for shorter working hours and higher wages, but betterment of working condition was also the goal of labor unions. The Triangle Shirtwaist Fire in 1911, the event that killed many young women, and led to laws requiring better conditions and more protection for the women in the work force.
The 26th Amendment is passed due to Vietnam War, because drafting age for the Vietnam war was 18 and the voting age was 21 at the time, many people people claimed that if they can go fight in the war the should be able to declare their voices through voting.
Roe v.s. Wade
Roe v.s. Wade legalized abortion in the 20th century following the court case Grizwald v.s. Connecticut, "Right to privacy". Abortion like today, was a big debate in the 50's and in 1959 the American Law Institute proposed a "model penal code for state abortion laws" allowing abortion only in certain conditions, like when a woman was weak or was raped. Roe v.s. Wade was important because in the past most of the laws were in favor of non-abortion and it invalidated all laws prohibiting abortion during the first trimester of pregnancy,
Nuclear Proliferaton Pact
Protest against nuclear weapons and the spread of nuclear technology boomed after the dropping of the Atomic bomb in Nagasaki and Hiroshima, japan. Many people protested against the nuclear bomb testing on the ground and Nuclear Test-Ban Treaty, which banned nuclear testing on atmosphere in space and under water, it was signed in 1963. Nuclear-proliferation pace went further and tried to slow down the growth of countries with nuclear technology.
Hunkins, Joe. "Muckrakers: Using Words to Win Political Battles." United States History. N.P.,n.d. Web. May 29, 2013.
United States. United States Department of State. U.S. Involvement in the Vietnam War: The Tet Offensive,1968. Office of the Historian, 2010. Web.
United States. U.S. Department of Labor. Occupational Safety and Health (OSHA) Act. DC: U.S. Department of Labor. Web.
JFK Library. Nuclear Test Ban Treaty. JFK Library, Web.