It would be the root word "C. Ambi-" that means “more than one”, since this is often used in the English language in words such as "ambidextrous"--meaning to have full use and ability in both hands.
A triangle shaped area of land made by soil deposited by a river is called a delta
Idk if this is right but I think it is B. Not working for European governments
D. They led small, surprise attacks on British troops.
