The Emancipation Proclamation granted freedom to the slaves in the Confederate States if the States did not return to the Union by January 1, 1863. In addition, under this proclamation, freedom would only come to the slaves if the Union won the war. By the President of the United States of America: A Proclamation. Despite promises of equal treatment, blacks were relegated to separate regiments commanded by white officers. Black soldiers received less pay than white soldiers, inferior benefits, and poorer food and equipment.
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Command economies and/or socialist economies benefit their citizens
theoretically by ensuring that nobody is poor or without basic needs of
living, although this is not always the case.
I believe the answer is Syria
The United States advocated for the creation of the Kellogg-Briand Pact because they wanted to outlaw war. They hoped that the signatories will ensure that there will be no causes of war and there will be a peaceful relationship among the nations.
The United States don't want to engage in another World War after it has experienced the losses that World War I brought them as a nation.
The expansion plans of the Soviets led initially to the Containment policy of the early Cold War. The United States established the Containment policy which is primary to prevent the spread of the Communism period.
I hope this answers your question.