Answer: I thinks it's a and c
Explanation:
The correct answer for this question is C: the first African American in Congress.
Since Russia had an alliance with Serbia, it ordered its forces to mobilize for war. it wasn't a formal alliance, but it did specify that if someone declared war on Serbia, Russia would also step in. This resulted in other countries also getting involved in the war. The answer would be D!
-TetraFish
The U.S constitution was fully signed on July 4th, 1776, the day America lawfully became a country.
