Answer:
A.
Explanation:
A. A change to a constitution
The answer is c the location of huge oil reserves provide millions In revenue
Answer:
Ottoman Empire, Australia-Hungary, German, and Russian
Explanation:
a
Jonas Salk was an important American medical researcher and virologist, who is mostly known for developing the first successful polio vaccine in 1955.
-Gvcci
Answer: Oregon Trail
Explanation: Hope it helps :)
