Direct democracy
EX:
oligarchy doesn’t make sense
Doesn’t sound like a monarchy
Definitely isn’t a dictatorship.
It depends on what you think and your opinion
The war giving Cuba independence from Spain was the "Spanish American War", since this was the war in which the US engaged with Spain in part because of their ill treatment towards the Cuban natives.
D is the answer. I've learned about these things like slavery in my class before.