<h3>The Declaration of Constitutional Principles was a document written in February and March 1956, in the United States Congress, in opposition to racial integration of public places. ... All of the signatories were Southern Democrats except two Virginia ... Their opposition earned them the enmity of their colleagues for a time..</h3>
It was created to protect ad help former slaves after the war.
Answer:D) One-third of Mexico was ceded to the United States, extending United States territory all the way to the Pacific Ocean.
The answer is D
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