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.

federal appellate courts are called courts of appeals. cases can be further appealed to the u.s. supreme court. cases are heard for the first time in a trial court. if either party disagrees with the decision in the trial court, they can appeal, asking a higher court to review the decision.

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sitting in that one chair where he could get shot at was his worst decision.