Indian removal was a forced migration in the 19th century whereby Native Americans were forced by the United States government to leave their ancestral homelands in the eastern United States to lands west of the Mississippi River, specifically to a designated Indian Territory (roughly, modern Oklahoma).
Answer:
Deforestation, because agriculture is the main cause of deforestation; farmers cut down forests to plant crops or graze livestock.
Explanation:
The comma should go after again, so the answer is D
The the ditch could stop others from invading the town
