Directions: grammatically correct the sentence(s) below, in red. There are 3 missing commas. There are 2 sentences. There are a few misused words.
after the conclusion of the french and indian war in america the British Empire began two tighten control over it's colonies the proclamation line which closed down colonial expansion westward was the first measure to affect all thirteen colonies.
After the conclusion of the French and Indian War in America, the British Empire began to tighten control over its colonies. The Proclamation Line, which closed down colonial expansion westward, was the first measure to affect all thirteen colonies.