Question 1 of 10
The Louisiana Purchase (1803) doubled the size of the US. It was purchased from: 
AFrance
BMexico
CBritain
DSpain
Explanation
📌 Napoleon's France sold it for $15 million. Doubled US territory. Lewis & Clark explored it.
Question 2 of 10
The Berlin Wall fell in:
A1975
B2001
C1991
D1989
Explanation
📌 November 9, 1989. Symbolized the end of the Cold War. Germany reunified 1990.
Question 3 of 10
The Civil War was fought primarily over:
AReligious differences
BSlavery and states' rights
CForeign invasion
DTrade disputes
Explanation
📌 Slavery and states' rights. Southern states seceded to preserve slavery. 1861-1865.
Question 4 of 10
Brown v. Board of Education (1954) ruled that:
Aprayer in school is required
Bwomen can vote
Cschool segregation is unconstitutional
Dthe draft is legal
Explanation
📌 'Separate but equal' is unconstitutional. School segregation violated the 14th Amendment. Overturned Plessy v. Ferguson.
Question 5 of 10
The main cause of the American Revolution was:
ALand disputes with France
BSlavery
CTaxation without representation
DReligious freedom
Explanation
📌 'No taxation without representation.' Colonists were taxed by Parliament without having elected representatives.
Question 6 of 10
The Truman Doctrine stated that the US would:
Adisband the military
Bjoin the Soviet Union
Cremain isolationist
Dsupport nations resisting communism
Explanation
📌 Support free peoples resisting communism (containment policy). Response to Soviet expansion. 1947.
Question 7 of 10
The Great Depression began with the stock market crash of:
A1941
B1919
C1929
D1939
Explanation
📌 October 29, 1929 ('Black Tuesday'). Lasted through the 1930s. FDR's New Deal attempted recovery.
Question 8 of 10
The map shows territorial expansion of the US. Which acquisition is labeled X? 
AGadsden Purchase
BMexican Cession
CAlaska Purchase
DLouisiana Purchase
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.
Question 9 of 10
The US entered World War I in:
A1914
B1918
C1920
D1917
Explanation
📌 1917. Reasons: unrestricted submarine warfare, Zimmermann Telegram. Allies won 1918.
Question 10 of 10
Manifest Destiny was the belief that: 
AAmerica should join the British Empire
Bexpansion should stop at the Mississippi
CAmerica should remain on the East Coast
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.