Europeans used Social Darwinism to justify empire building by their belief that they had the right and also the duty to bring the results of their progress to different countries. I believe that this would be the answer you're looking for :)
During the Richmond Campaign, Abraham Lincoln made U.S. Grant, the head of the Union Forces.
<h3>Who was US Grant?</h3>
US Grant, who was also the 18th President of the United States, had been given the responsibility to lead the military forces as per the directives of Abraham Lincoln, bringing specialization in the authority.
Hence, it holds true that US Grant was made the Supreme Commander of the Union military forces of the United States of America.
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Answer: Marshal Petain,French-German collaboration concepts prior to 1944 . The philosophy of the National Revolution, which was initially based on theories that had been debated for years, was adopted by Marshal Petain, who governed France under German supervision in 1940-44.
Explanation: