Across
- 3. – The USS ship whose explosion in 1898 increased tensions before the Spanish-American War.
- 5. – The global event starting in 2020 intended to help prevent the spread of the Covid-19 virus.
- 6. – A type of chemical gas used in World War I that led to the evolution of sophisticated gas masks.
- 8. – The state of freedom granted to the nation by a 1776 document signed by 56 men.
- 9. – The landing site in New England where 102 passengers signed a governing "Compact" in 1620.
- 10. – The original "Star-Spangled" item that is considered the most important artifact from the War of 1812.
- 12. – The leader of Germany whose rise to power and invasion of Poland led to World War II.
- 13. – The 1863 "Proclamation" issued by Abraham Lincoln as an order to free enslaved people.
- 14. – The 1787 document signed by 39 delegates to create a more advanced government system.
- 16. – The 1803 purchase that added 828,000 square miles and doubled the size of the U.S.
- 17. – The man named as the likely assassin of President John F. Kennedy in Dallas.
- 19. – The group that surrendered in 1865, ending the Civil War and securing a Union victory.
- 21. – The "Civil" type of Act mentioned in the title of the 1964 history slide.
- 22. – The group that led the terrorist attacks on September 11th, 2001.
Down
- 1. – The specific constitutional amendment number mentioned in the title of slide 17.
- 2. – The local fighters British troops shot at during the 1775 "shots heard round the world."
- 4. – The network where people shared ideas before the 1983 invention of the internet.
- 7. – The decade-long economic crisis triggered by the stock market crash of 1929.
- 11. – The name of the 11th mission that successfully landed humans on the moon in 1969.
- 14. – The ideology the U.S. aimed to stop from spreading in Southeast Asia during the Vietnam War.
- 15. – The "Country" whose many competing claims brought about the French and Indian War.
- 18. – The invention the Wright brothers used at Kitty Hawk to stay off the ground for 12 seconds in 1903.
- 20. – The emotional name given to the forced 1838–1839 removal of Native Americans.
