Vietnam created a sub nation and a 'sub-leader'
The middle class I'm pretty sure
In the 1400s, European explorers benefited from "improvements in map-making skills," since these allowed for greater location accuracy. GPS and steam ships would not be invented for quite some time.
Answer: Monroe said any attempt to extend this European system to any of the Americas would threaten the peace and safety of the United States.
Explanation:
They wanted to prevent imperialism so the first goal was to establish a new balance of power in Europe.
