What stopped the advance of the North Korean army on August 4, 1950?

Question

General MacArthur landed in the Bay of Inchon to push back North Korean troops.
American forces pushed North Korean troops north of the Yalu River.
United Nation forces defeated the North Koreans at the Battle of Hill Eerie.
South Korean and American troops created a perimeter around the town of Pusan.
C?

Answer 1

https://www.google.com/search?q=What+stopped+the+advance+of+the+North+Korean+army+on+August+4%2C+1950%3F&oq=What+stopped+the+advance+of+the+North+Korean+army+on+August+4%2C+1950%3F&aqs=chrome..69i57j69i60.1310j0j7&sourceid=chrome&ie=UTF-8

Google is fast! You could have had your answer quite a while ago!!

Answer 2

That is not helpful

Answer 3

Writeacher the answer that the website gave was wrong

Answer 4

It’s D.

Answer 5

Mr.Worldwide is correct. The answer is D

Answer 6

I did google the question, the first tab it was was this webpage :/
*slow golf clap*