What caused the Chinese to send 300,000 troops to North Korea? A. The UN regained control of South Korea.

B. The UN troops pushed North Koreans to the Yalu River.

C. The UN voted to support South Korea in the conflict with North Korea.

D. The UN decided to place the troops under the command of Douglas MacArthur.

In the fall of 1950, a surprise landing at Inchon helped UN forces push the North Koreans to the Chinese border. The situation worsened when China entered the war, sending 300,000 troops across the border into North Korea.

post the grid otherwise i cant .

also it sounds like a math question not history.

both include an amendment process.