In one of the darkest moments of America's industrial history, the Triangle Shirtwaist Company factory in New York City burns down, killing 146 worker...

During the first 20 years of the 20th century, attendance at professional baseball games doubled. Vaudeville, too, increased in popularity, featuring...

The belief that only the fittest survive in human political and economic struggle.

They were laws that enforced the strict separation (segregation) of the races.

1)United State's stock market crash of 1929. 2)Big drop in the world's economy. 3)Overproduction of goods from World War I. 4)Decrease in the need for...

Ellis Island in New YorkAngel Island in San Francisco

wealth of natural resources, government support for business, and a growing urban population that provided both cheap labor and markets for new produc...

On December 7, 1941, a date that President Franklin D. Roosevelt claimed would "live in infamy," the Imperial Japanese Navy conducted a surprise aeria...

Period of Great African American artistic accomplishment that began in the 1920s in the Harlem neighborhood of NYC

Military technology of the time included important innovations in machine guns, grenades, and artillery, along with essentially new weapons such as su...

The Jungle to expose the appalling working conditions in the meat-packing industry. His description of diseased, rotten, and contaminated meat shocked...

It's an amount of money-usually one or two dollars- that a citizen had to pay before he or she could vote.

The expansion of transport and communication during the 19th century created a need for a unified time-keeping system, and time zones were introduced.