Answer:
I think option D - at least works right
C. irrelevant means of topic, doesn’t make sense with what’s going on, not useful
Answer: America would have remained isolationist
Explanation:
The Monroe Doctrine was simply a policy in the United States policy whereby European colonialism Wass opposed.
The most likely thing that would have happened in the absence of the Monroe Doctrine would be that America would have remained isolationist. This is because the Europeans would have had control over the country's goods and services.
It's either person against self or person against person. I'm leaning toward person against self though.