Answer: Agent Orange
Explanation: agent orange was a chemical that would burn the leaves off of the trees in Vietnam in order for the American forces (and planes) to see the Vietnamese soldiers better (and I'm pretty sure agent orange caused cancer as well)
Answer:
introduced the Arabic language and the practice of Islam
Explanation:
"Migrating Arabs intermarried with the people of Nubia and introduced the Arabic language and the practice of Islam, both of which spread rapidly throughout much of the southern Nile valley. In modern times, Arab Muslims have supported the secession of ERITREA from Ethiopia."
A the belief in one god. All you have to do is look it up in a dictionary. It tells you the exact definition.
I think the answer would be A