Question 1 of 10
The US entered World War I in:
A1914
B1920
C1918
D1917
Explanation
📌 1917. Reasons: unrestricted submarine warfare, Zimmermann Telegram. Allies won 1918.
Question 2 of 10
The Iran-Contra affair (1980s) involved:
Athe invasion of Iran
Billegally selling arms to Iran to fund rebels in Nicaragua
Ca trade agreement with Iran
Dbuilding the Panama Canal
Explanation
📌 Reagan administration secretly sold weapons to Iran and used profits to fund Contra rebels in Nicaragua. Violated Congressional ban.
Question 3 of 10
The Dust Bowl occurred primarily in:
Athe Southeast
BCalifornia
CNew England
Dthe Great Plains
Explanation
📌 Great Plains (Oklahoma, Kansas, Texas) in the 1930s. Drought + poor farming → massive dust storms → migration.
Question 4 of 10
The Compromise of 1877 ended Reconstruction by:
Apassing the 15th Amendment
Bremoving federal troops from the South
Cstarting the Civil War
Dabolishing slavery
Explanation
📌 Hayes (R) became President in exchange for removing federal troops from the South. Ended Reconstruction. Led to Jim Crow laws.
Question 5 of 10
The main cause of the American Revolution was:
ASlavery
BLand disputes with France
CReligious freedom
DTaxation without representation
Explanation
📌 'No taxation without representation.' Colonists were taxed by Parliament without having elected representatives.
Question 6 of 10
The Great Depression began with the stock market crash of:
A1919
B1939
C1941
D1929
Explanation
📌 October 29, 1929 ('Black Tuesday'). Lasted through the 1930s. FDR's New Deal attempted recovery.
Question 7 of 10
Manifest Destiny was the belief that: 
AAmerica should remain on the East Coast
BAmerica should join the British Empire
Cexpansion should stop at the Mississippi
Dthe US was destined to expand from coast to coast
Explanation
📌 Americans believed they were destined by God to expand across the continent from Atlantic to Pacific.
Question 8 of 10
McCarthyism (1950s) was:
Aanti-communist investigations and accusations
Ba civil rights strategy
Can economic plan
Da trade policy
Explanation
📌 Senator Joseph McCarthy led anti-communist witch hunts. Red Scare. Blacklists. Fear of communist infiltration in government.
Question 9 of 10
Federalism is:
Ano government power
Ball power to the national government
Cpower shared between national and state governments
Dall power to state governments
Explanation
📌 Power shared between national and state governments. Both have certain powers; some are shared (concurrent).
Question 10 of 10
The map shows territorial expansion of the US. Which acquisition is labeled X? 
AAlaska Purchase
BLouisiana Purchase
CGadsden Purchase
DMexican Cession
Explanation
📌 Area X (1848, Southwest including California) = Mexican Cession.
Acquired after the Mexican-American War through the Treaty of Guadalupe Hidalgo.
Included: California, Nevada, Utah, Arizona, parts of NM, CO, WY.
Acquired after the Mexican-American War through the Treaty of Guadalupe Hidalgo.
Included: California, Nevada, Utah, Arizona, parts of NM, CO, WY.