It's B <span>religious differences
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Answer:
The statement which correctly describes the 54th Massachusetts Regiment was It was the first Union regiment to fight under black officers. It was the first official union of African-American soldiers and this took place during the Civil War, however African-American soldiers had fought on both sides during the Revolutionary War and the War of 1812.
Explanation:
As president Andrew Jackson sent them away, leading to the trail of tears to gain the land. they were better off in Indian territory because the land was then his to control.
1.discovery of iron
2.the use of iron weapons