Before the War
Why Divided?
June 25, 1950
Turning Point
Armstice
100

Who controlled Korea before 1945?

Japan controlled Korea.

100

What line divided Korea into North and South?

The 38th parallel.

100

What happened on June 25, 1950?

 North Korean forces crossed the 38th parallel and invaded South Korea.


100

What major UN military action in September 1950 changed the war’s direction?

The Inchon landing.

100

When was the Korean War armistice signed?

July 27, 1953.

200

What event in 1945 ended Japanese rule of Korea?

Japan’s unconditional surrender at the end of World War II.


200

Which two countries controlled Korea after World War II?

The United States in the South and the Soviet Union in the North.

200

What was North Korea’s main goal in launching the invasion?

To reunify Korea under communist rule.

200

Why did the Inchon landing surprise North Korean forces?

They did not expect a landing at such a difficult location.

200

What was the main purpose of the armistice negotiations?

To stop the fighting, exchange prisoners of war, and separate armies.

300

Why was Korea unstable after Japan surrendered?

Korea had no unified government and foreign powers occupied the country.

300

What role did General Order No. 1 play in Korea’s division?

 It ordered Japan to surrender to different Allied forces, dividing Korea at the 38th parallel.


300

How did the United States respond to the invasion?

President Truman sent U.S. troops to support South Korea.

300

What city was recaptured after the Inchon landing?

Seoul

300

What physical boundary was created by the armistice?

The Demilitarized Zone (DMZ).

400

What groups competed for power in Korea after 1945?

Leftists, rightists, and fence-sitters.


400

Why did many Koreans oppose the trusteeship?

They wanted immediate independence, not foreign control.

400

Why did the invasion turn the conflict into an international war?

It led to U.S. and United Nations intervention as part of the Cold War.

400

What happened when UN forces advanced too far north after Inchon?

China entered the War

400

Why is the Korean War technically not over?

No peace treaty was signed

500

What did many Koreans want immediately after Japan’s rule ended?

Self-government and independence.

500

Why did the division of Korea last longer than planned?

Cold War tensions prevented cooperation between the U.S. and the Soviet Union.

500

Why was the 38th parallel important to the outbreak of war?

It marked the political and military division between North and South Korea.

500

How did Chinese intervention change the course of the war?

It forced UN forces into retreat and led to a long stalemate.

500

Why is the armistice described as a “living document”?

It can be updated through agreement and is still enforced today.