D) us involvement in Vietnam was because of the frenchs inability to hold back the NVA and V.C.
What subject is this for ?
Answer:
Decolonization of the Americas refers to the process by which the countries in the Americas gained their independence from European rule.
Explanation:
Looked it up, I'm sorry if it's wrong
This would be the concept of checks and balances, not giving one branch too much power.