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Across 2. A ban on the manufacture and sale of alcohol that failed completely. 4. Jazz musician known for his virtuosic skills on the cornet and trumpet. Armstrong popularized the seat style of singing and remains one of jazz's most important and influential musicians. 6. As WWI erupts in Europe, President Woodrow Wilson formally proclaims the neutrality of the US, a position that a vast majority of Americans favored on August 4, 1914. 10. The 18th amendment was the only amendment to be repealed from the Constitution. This unpopular amendment banned the sale and drinking of alcohol in the U.S. 14. A series of proposals in which U.S. president Woodrow Wilson outlined a plan for achieving a lasting peace after WWI. 15. African American literary awakening of the 1920s, centered in Harlem. 16. An economy system in which the factors of production are owned by the public and operate for the welfare of all citizens. 17. a political leader of the late 19th and early 20th centuries that was imprisoned in the 1890s for illegally encouraging a railroad strike. 18. He developed the mass-production model T-car, which sold at an affordable price. It pioneered the use of the assembly line. Also greatly increased his workers wages and instituted many modern concepts of regular work hours and job benefits. 19. The production of goods in great amounts 20. An international association formed WWI with the goal of keeping peace among nations.

Down 1. A type of naval warfare in which submarines sink vessels such as freighters and tankers without warning. 3. This amendment granted women the right to vote in 1920. It unified the suffrage laws across the United States. 5. A Yiddish theater veteran who wrote more than 1,000 songs for musical theater in the 1900s. 7. Migration of English settlers to Massachusetts Bay Colony beginning in the 1630s. 8. An economic system in which all means of production - land, mines, factories, railroads, and businesses - are owned by the people, private property does not exist, and all goods and services are distributed equally. 9. The name given to the collection of New York City - centered music publishers and songwriters who dominated the popular music of the U.S. in the late 1800s and early 1900s. 11. African American poet who described the rich culture of African American life using rhythms influenced by jazz music. He wrote of African American hope and defiance, as well as the culture of Harlem. 12. A U.S. federal law passed on June 15, 1917, shortly after the U.S. entry into WWI. It essentially made it a crime for any person to convey information intended to interfere with the U.S. armed forces' efforts to promote success for our country. 13. A time period in the U.S. when there was suspicion of communism and fear of widespread infiltration of communism in the U.S.