I know that this isn't what you're looking for, but the answer is not B. The rebellion brought about a decline in race-based slavery. I know because I took the quiz.
"The reason why Britain didn’t declare war on the Soviet Union is an
intriguing one. Unknown to the general public there was a ‘secret
protocol’ to the 1939 Anglo-Polish treaty that specifically limited the
British obligation to protect Poland to ‘aggression’ from Germany" http://www.historyextra.com/qa/why-did-britain-and-france-not-declare-war-soviet-union-when-red-army...
Answer:
The country that is directly 2500 miles east from Mali is Saudi Arabia, when the measurement is taken from the easternmost point of the country, in the central region, on the border with the country of NIger.
This 2,500 line crosses the countries of Niger, Chad, Sudan, and the Red Sea, and falls on southwestern Saudi Arabia, relatively close with the border with Yemen.
Abner Doubleday and the college was USMA united states military academy
African Americans in the civil war didn't go into combat so it would B or the second choice
