Answer:
i think the answer the is a and c i dont know
Explanation:
Shay's Rebellion.
It was an embodiment of the failure of the articles of confederation, and made people realize that changes needed to be made.
Answer:
Space exploration led to advances in many fields. Some include the telecommunications, micro-technology, computer science and the solar power. It started the efforts of lauching space devices and competitive countries were able to send space probes to places like the moon and even Venus.
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.