As protests of wage and working conditions by industrial workers were violently denied by Police, a retaliation rally was organized at Haymarket Square, which soon escalated into a deadly riot.

Checks and balances is the method of dividing power, responsibility, and oversight of the three branches of government known as the legislative, executive and judicial branches.

After the Great Depression and World War Two, the American Dream of the 1950s was to buy a home, start a family and enjoy American capitalism. Despite Cold War concerns, progress in civil rights, culture and entertainment were made in great strides.

As violence between Native Americans and settlers reached a high point, King George III decreed his Proclamation of 1763, which made all land west of the Appalachian Mountains off-limits to settlers.

Alcatraz is an island in San Francisco Bay that was used in the 1850s as a military base and later a military prison. In 1933, the island became a prison for the most dangerous criminals in America.

After a series of events including war, floods, droughts and crop failures drove tens of thousands of Chinese immigrants to San Francisco, The Chinese Exclusion Act of 1882 suspended Chinese immigration for a ten-year period.

The women’s suffrage movement began in the 1820s, until the Seneca Falls Convention in 1848 finally generated some momentum. After nearly 100 years of struggle and progress, the 19th Amendment was ratified in 1920.