Answer:
c) Dwight later became the 34th president, most famous for his acts against communism and his role in D-Day
Some of the benefits of the Transcontinental Railroad was that new land was discovered, trade can expand to the west and people don't have to risk their lives to go to the west. Some of the groups of people that build the railroad were immigrants manly Chinese, Irish, Africans, and Latinos.
Sorry i don’t understand:/
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It is probably the partition of India which was the division of British and India in 1947 which eventually created two independent dominions, India and Pakistan.