F Cuba were to enter into a trade agreement with an Asian country in 1903 without US approval, which of the following would be violated?

Platt Amendment.

Explanation:

After the US intervention in the Cuban War of Independence, Cuba became a free country. However, the United States had a strong influence on the internal and external issues of this country. The Platt Amendment was created in line with the above.

Based on this document, the US government has had a significant influence on Cuba's internal and external issues. Therefore, if the agreement were to be accomplished, the principles of this amendment would be violated. However, with the advent of Roosevelt in 1932, this amendment was repealed.

b is the answer i am assuming

the option which was not a function of missionaries in the northwest was the first one - they established posts for trading furs and other goods.

missionaries were sent around the world to spread religion and their knowledge and others - they were not merchants who sold furs and other goods.