Civilization in China began at the Yellow River Valley.
The correct answer is <span>Invasion of Cambodia
Although the war had been localized to Vietnam, in 1970 the Southern Vietnamese army with the help of the United States troops had invaded into Cambodia who was also having the same problems as the Vietnamese, the communists were fighting those against communism, so Vietnamese people decided to join the fight, which stirred a new round of protests.</span>
C.) Great Lakes Region, as it was intended to provide for troops during the French & Indian War which took place between and around the border of what is now Canada and the colonies.
They do this because back then, a lot of things happened in ancient Greece. So because so many things happen, they have to carefully study the events and place them in a category or order in order to make sense.<span />
