C. The federal government refused to lend any assistance to the South
This was untrue because the federal government shelled out a lot of money to help the South with Reconstruction.
The foreign policy model that features two countries that are in conflict with each other is what is known as a bipolar structure of international power.
A bipolar structure of international power can be described as a structure whereby the two countries that are involved have a lot of economic, political, cultural and international influence.
Due to the influence that both sides have they are able to control their regions and also other international regions.
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The answer is D, the Know Nothings.
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Referendum reform allowed the votes to approve or reject laws passed by the legislature.
There were several main reasons why the church respond with its Catholic reformation, but the main reason was that it had to fight back against the Protestants.