I think a I’m not to sure
The first one is, Peninsulares
The second one, Mesitzos
The third one is, Creoles
The fourth one, Native Indians
C is your answer imperialisms
I believe was the frozen<span> conflicts besides the cold war that started in 1985 and ended in 1991 I mean if the frozen conflicts don't count as the last one then I THINK it is the cold war (1985-1991). :)
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Answer:
The revolution was provoked by Russian military failures during the First World War, as well as public dissatisfaction with the way the country was run on the home front. The economic challenges faced due to fighting a total war also contributed