the answer is the rebuilding after a war
The best and most correct answer among the choices provided by your question is the second choice or letter B "The Kansas-Nebraska Act."
The Kansas-Nebraska Act<span> was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of </span>Kansas<span> and </span>Nebraska<span> to decide for themselves whether or not to allow slavery within their borders. The </span>Act<span> served to repeal the Missouri Compromise of 1820 which prohibited slavery north of latitude 36°30´.</span>
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Answer:
A.) Oregon
Explanation:
This agreement set the boundary between the United States and Canada at the 49th parallel west of the Rocky Mountains, veering around Vancouver Island and then proceeding through the Strait of San Juan de Fuca.
Answer:
A
Explanation:
Since the population of the cities increased with more factories being built, A seems to be the best choice: More people moved to the city in order to work in the factories.