The answer to this one is B
Answer: to encourage the Indian Territory to trade with its neighbors
Explanation: The railroad was built for US immigration and industry, many natives were expelled and uprooted from the path.
B.during the period of Viking,Magyar and Muslim invasions.
The Preamble is he opening of the US Constitution. It explains why the framers of the constitution made our government a republic.
<span>The Erie Canal allwed for the American Midwest to transport their good via waterway to the port in New York City and then out to the world for consumption via trade. The Erie Canal was the largest civic project the United States built up to that point in time and made settling the midwest much more economical.</span>