The two types of farm owning developed slavery because the owners of them were allowed to have slaves. The encomienda system was based on the idea that conquerors should have slaves to work for them, and it similarly applied to sugar colonies that had slaves on them. They were responsible for a lot of trafficking of slaves from Africa.
Answer:
The Vietnam war required the U.S. to put up a lot of manpower to fight and a whole lot more to win. * The Demilitarized Zone (DMZ) in Quang Tri province separating North an South Vietnam was only 60 km wide.
Explanation: