Background Apartheid, a legalized system of racial segregation, had been enforced in South Africa since 1948, denying basic rights to the country’s Black majority. Nelson

Background Following the American Revolution, the newly independent United States faced the challenge of forming a stable government. The Articles of Confederation, the nation’s first

Background The Space Shuttle Columbia was the first shuttle to fly into space in 1981 and had completed 27 successful missions before its final launch

Background The Space Shuttle Challenger was set to launch Mission STS-51-L, a historic flight that included Christa McAuliffe, a teacher from New Hampshire selected for

Background Black History Month originated from the efforts of historian Carter G. Woodson, often called the “Father of Black History.” In 1926, he and the

Background: Slavery in the United States began in 1619 when British settlers brought enslaved Africans to North America. Over two centuries, slavery became deeply entrenched