b. it demonstrated to the Soviet union that the United states had the ability to counter its armies in Europe
President James Monroe wrote the Monroe doctrine because fear existed that the European powers might try to restore their postions in Latin America, which had in general already obtained their independence. The message that he was trying to get across : The United States were not to tolerate European Countries to make new colonies or interfere with the new independent countries; likewise, the United States would not get involved with conflicts between European Powers.
The answer is producer's.
Declaration of indapendece. America was now not under france’s control so they had to make a list of rules/laws to abide by.