A list of well-known presidential pardons, including Richard Nixon’s pardon by Gerald Ford and Bill Clinton’s pardon of Marc Rich.

The Open-air School Movement was a response to the high incidence of tuberculosis in the early 20th century. These schools aimed to improve the health of children by providing fresh air and sunlight, and were successful in reducing the spread of the disease.

The Bread and Roses Strike was a labor strike in 1912 in Lawrence, Massachusetts, where textile workers protested against low wages and poor working conditions. The strike lasted for two months and gained national attention, leading to improved labor laws and better working conditions for workers.

The Espionage & Sedition Acts were laws passed in the United States during World War I that made it illegal to interfere with military operations or to speak out against the government or the war effort.

The Immigration Act of 1965 was a law that abolished the national origins quota system and allowed for more immigrants from non-European countries to enter the United States.

Aaron Burr was an American politician and lawyer who served as the third Vice President of the United States under Thomas Jefferson. He is also known for killing Alexander Hamilton in a famous duel in 1804.

McCulloch v. Maryland was a landmark case in which the Supreme Court ruled that the federal government had the power to establish a national bank and that states could not tax federal institutions. This decision established the principle of federal supremacy over state laws.