Answer:
Tsar Nicholas II
Explanation:
The other three listed were in the Communist party who formed the USSR.
Many Mesopotamian states engaged in warfare mainly because "<span>a. They needed to gain access to raw materials through force", since these materials were limited in nature.</span>
The smallpox epidemic.
The millitary invasion was devastating but not to the extent of smallpox.
The Jesuits did not really devastate the New World.
Enslavement for sugar plantations mostly occurred with Africans.
Smallpox, brought in by the Columbian Exchange, had a widespread impact that killed a large portion of natives in the Americas.
So the Smallpox epidemic is the answer.
He proposed George Washington to be <span>commander-in-chief</span>.