PLEASEE HELPPP MEE WITH THIS QUESTION

What best describes the theme of the Monroe Doctrine?

ANSWER CHOICES

A= It warned European countries not to make more colonies in the west.

B= It cancelled George Washington's policy of neutrality.

C= It encouraged European nations to fight against independence movements.

A) It warned European countries not to make more colonies in the west.

According to Encyclopedia Britannica, two of the points made by the doctrine include that the Western Hemisphere was not an option for future colonization and that any attempt by a European power to take control of and/or oppress any country in the Western Hemisphere would be seen as an attack against the US.

Explanation:

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof