Answer:
C. Never before has there been a time so critical to our future. Never
A. it became a source of conflict once texas became a part of the united states
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.
