The decimal system is from the Gupta Empire
Answer:
D
Explanation:
The Pilgrims were the people who came to America from England and founded the Plymouth colony in 1620. The term pilgrim refers to a person who goes on a journey for religious reasons. The Pilgrims left England because they were being badly treated for what they believed.
The correct answer is Indus.
The Yellow River was an important part of Chinese civilization.
The Tigris River was an important part of the Mesopotamia civilization, located in modern day Iraq.
The Amazon River is located in South America, and was an important part of several different civilizations.
This shows that the only correct answer can be Indus River.
Answer is B U-Boat activity
Very similar to Jesus' flip flop
