The thing which was a major factor that threatened the major unity in the United States in the mid-19th century was:
<h3>The Great Depression</h3>
This refers to the period around 1929 in the United States which has a profound effect on the national economy.
This led to the failure of many banks, increase in unemployment and high deflation rates which all threatened the national unity.
Read more about Great Depression here:
brainly.com/question/441267
Answer:
IT IS C!!!! :))))))))!_+$!_+$_+++_+#+_
That Lincoln was a good person to take care of the Union and the common good of the people. Also that the Proclamation was passed due to strong moral conviction because it was the right thing to do
That meant that the South would have been starved of supplies and would have been forced to surrender.
<span>Imperialism, an unequal relationship often found in the forms such as empires and forced upon other countries and individuals, led Europeans to keep a close watch on their access to markets, raw materials and returns on investments by taking straightforward political and military control on the undeveloped world
I hope this help
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