Answer: Three countries (Great Britain, Ireland, and Germany) accounted for 93 percent of all arriving immigrants in 1849.
Explanation:
The factor that increased is "Legislation that removed unfair electoral requirements"
In 1960 only 5% of African Americans were registered to vote
3, because Mexico did not want to have to fight America for it. Hope this helped!
The 2nd & 3rd options
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Yes iron was used extensively by the Sumerians.
