Speakeasies were illegal bars where drinks were sold during the time period of Prohibition. ( It was called a Speakeasy because people literally had to speak easy so they were not caught drinking alcohol by the police.)
The Harlem Renaissance:
The Harlem Renaissance was the growth and exposure of African-American culture (such as music and literature) based in the African-American community. It formed in Harlem, New York and began in 1920 and ended in 1940.
Jazz Music:
Jazz Music is a style of music that has a strong but flexible rhythmic understructure with both solo and ensemble improvisations on basic tunes and chord patterns.
Prohibition:
Prohibition was a total ban on the manufacture, sale, and transportation of liquor throughout the United States.
Depending on the time, it could be the Phoenicians ( I think this is the best answer; this is what they're known for best) or later in time, the Romans (but they had colonies also elsewhere).
The development of railroads was one of the most important phenomena of the Industrial Revolution. Trains provided supplies and equipment and a lifeline of the army. Trains made a big impact on the citizens. Railroads were visible symbols of industry and modernity during the Civil War.
The 19th amendment was passed in 1920 (gave the right for women to vote), while the 15th amendment was passed in 1870 (gave the right for African Americans to vote).
