the answer is the 3rd one.
Because I searched and it tells me about the place and the history so I
think it's number 3 if not it's 2.
1 September 1939 is the answer
The correct answer is D) Westward expansion.
Westward expansion led to the most sectional strife over slavery in the first half of the 19th century.
When settlers moved to the Western territories during the 19th century, people identified this movement as the westward expansion. It started when the US government reached an agreement with France to purchase the Lousiana territory to fulfill the United States manifested destiny to expand an conquer new territories.
Political freedom was a pull factor for the immigrants to come to the United States.
<h3>What are the push and pull factors for the immigrants to come to the United States?</h3>
Push factors are those factors which push the people away from their native place. Some of the push factors includes the political corruption or instability, war, lack of medical and education opportunity etc.
Pull factors are those factors which pulls or attracts the people to a new place by providing better opportunities such as good climate, more wealth, education and employment opportunities etc.
Hence, political freedom is the pull factor for the people as it gives the liberty to live the people freely in the political conditions.
Learn more about the push and pull factors here:-
brainly.com/question/18831390
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