🌎 EXPANSION & EXPLORATION
⚔️ MILITARY TURNING POINTS
💰 ECONOMIC UPHEAVAL
🌎 World & Culture
🌊 World Waterways
100

These explorers led the Corps of Discovery expedition westward

Lewis & Clark

100

This 1777 victory convinced France to openly support the American cause

The Battle of Saratoga

100

This 1791 federal excise tax led to a western Pennsylvania rebellion

The Whiskey Tax

100

This canal, opened in 1914, connects the Atlantic and Pacific Oceans

The Panama Canal

100

This canal connects the Mediterranean Sea to the Red Sea

Suez

200

This 1848 discovery triggered a massive migration west

Gold Rush

200

General George McClellan’s failure to pursue Robert E. Lee after this 1862 battle prolonged the Civil War

Battle of Antietam 

200

The 1896 Supreme Court case that upheld “separate but equal.”

Plessy Vs. Ferguson

200

This British Prime Minister led the U.K. through most of World War II

Winston Churchil

200

This strait separates Alaska from Russia

Bering Straight

300

The belief that the U.S. was destined to expand across the continent was called this

Manifest Destiny

300

This naval battle in June 1942 is considered the turning point in the Pacific Theater

The Battle at Midway

300

The 1930 tariff signed by President Hoover that worsened the Great Depression

Smoot-Hawley Tariff

300

This 1957 launch by the Soviet Union began the Space Race

Sputnik

300

This European river flows through Vienna, Budapest, and Belgrade

Danube

400

The 1867 purchase of Alaska from Russia was nicknamed this

Sewards Folly

400

Daily Double

This 1950 landing masterminded by General MacArthur reversed early North Korean gains

Inchon Landing

400

This 1913 act created the central banking system of the United States

The Federal Reserve Act

400

This European economic alliance, formed in 1957, eventually became the European Union

the European Economic Community

400

Lake Baikal, the deepest lake in the world, is located in this country

Russia

500

This 1803 purchase doubled the size of the United States

Louisianna Purchase

500

The 1968 offensive that shocked the American public and eroded support for the Vietnam War

The Tet Offensive

500

This 1971 decision by President Nixon ended the direct convertibility of the U.S. dollar to gold

The Nixon Shock

500

This Cold War doctrine pledged U.S. support to countries resisting communism in 1947

Truman Doctrine

500

This gulf lies between Iran and the Arabian Peninsula

Persian Gulf