One of the main reasons why Andrew Johnson faced difficulty implementing his Reconstruction plans is because he face harsh opposition in Congress--both by Radical Republicans and Democrats alike.
The correct answer for the question that is being presented above is this one: " It committed the United States to a peacetime alliance to defend other nations." NATO represent a historic change in American foreign policy by committing the United States to a peacetime alliance to defend other nations.
Explanation:
Strong control of Germany isn't specifically true. They have their personal government. The Monroe Doctrine if recollection assists me is a sign for European nations to keep out of the New World .We had roots in other places, like the Philippines I suspect, and in Hawaii, etc. I can't think of any companies that commissioned us to protect other countries though.
The herero and Namqaqua genocide i hope this helps
Prepare for potential Nuclear war during the cold war