Gupta Empire:
Expanded trade with Europe, China.
Made great cultural advancements.
Used the modern numbering system.
Invented standardized weight system.
Mauryan Empire:
United India for the first time.
Ruled by Ashoka.
Used army to conquer large territory.
Lasted only about 100 years.
Hope that helps.
Answer:
Washington was a key proponent of African-American businesses and one of the founders of the National Negro Business League. His base was the Tuskegee Institute, a historically black college he founded in Tuskegee, Alabama.
On this problem you don't need to subtract. They want to know the total amount of people who attended so you would add.
1 1 1 (carried over numbers)
12,679 (Line it up with 8491, ones place to ones place and so on)
+8,491
21170 (answer)