The correct answer should be A. A historian writes an extensive text on the important contributions of southeast Asian countries
Asian countries' history is often based on periods that are bound by the rule of various dynasties or by political engagements of the country.
In exchange, the United States pledged to avoid involvement in the political affairs of Europe, such as the ongoing Greek struggle for independence from the Ottoman Empire, and not to interfere in the existing European colonies already in the Americas.
The answer is European colonies that are already existing in the Americans.
Emperor Romulus Augustus was deposed by the Germanic King Odoacer if I remember correctly.
An operation in where the USSR tried to revolutionize france