They shouldn't the ruskies shouldn't get that much praise REEEEEEEEEE (pls no report the actual answer is so they get a feel for how much of a threat they were)
The domino theory is the answer. Hope it helps.
Answer:
I believe the answer is the Columbian Exchange.
Explanation:
The Spanish were invading and taking over tribes stealing their riches and killing their people.
It is surreal your welcome
