Question

What does "We would interfere with them only in the last resort, and then only if it became evident that their inability or unwillingness to do justice at home and abroad had violated the rights of the United States or had invited foreign aggression to the harm of the entire body of American nations…" tell you about what shapes US foreign policy towards Latin America, South America, and the Caribbean?

Answer 1

The correct answer to this open question is the following.

What the above-mentioned idea tells you about what shapes US foreign policy towards Latin America, South America, and the Caribbean, is that the United States would decide to intervene in an extreme situation if those conditions are met in any of those regions of Latin America and the European countries wanted to intervene in those Latin American nations.

We are talking about the Roosevelt Corollary to the well-known Monroe doctrine. In the time of President Theodore Roosevelt, there was a big problem in the Caribbean due to fiscal instability. Most of the Latin American nations were in huge debt with European superpowers. So European leaders sent their navy or military troops to the Latin American country to collect its money, as was the case in Venezuela.

That is why President Roosevelt sent a clear message to the European nations, to stop intervening in the issues of Latin America.  From then on, it was going to be the United States that would intervene in the best interests of North, Central, and South America.