What battle established the united states control over the western frontier?

The Battle of Vincennes

Explanation:

The Battle of Vincennes took place in Vincennes Indiana in 1779. The British Army occupied the fort of Vincennes and were surrounded by the patriot army, there were three days of fighting and at the end, the British army surrendered the fort to the patriots.

rosevelt. 1973. "slaves everywhere"

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office