Answer:
The Monroe Doctrine was a principle of United States foreign policy from the 19th century onwards. This doctrine, created by Henry Clay, declared any form of European interference in the Western Hemisphere as a direct confrontation against the United States, thus seeking to guarantee that the European nations would not interfere in the affairs of the American continent, which would guarantee the territorial expansion of the United States. However, it promised to respect the existing colonies in the hands of the European powers.
In the decline of Swedish influence and the emergence of Russia as a mojor power in that region
Lincoln's blueprint for Reconstruction included the Ten-Percent Plan,which specified that a southern state could be readmitted into the Union once 10 percent of its voters (from the voter rolls for the election of 1860) swore an oath of allegiance to the Union.
I know that Bolsheviks are the people from russia and some parts of Europe that wants a communist government. They believed that the distribution of goods and properties were owned and shared to the public. They also want equality and have a right to join union groups that demands higher wages and better working conditions. Communist countries also have nuclear plants like Russia and china. That's why during the cold war, russia is one of the superpower countries