I believe what you're looking for is economics, but I could be wrong.
Answer: Alexander spread Greek culture throughout the Persian Empire, including parts of Asia and Africa. Alexander respected the local cultures he conquered, and allowed their customs to continue. Alexander himself embraced local customs, wearing Persian clothes and marrying Persian women.
Answer:
They are named after Jimmie Angel, a US aviator, who was the first person to fly over the falls
Explanation:
Answer:
The "main idea" of a paragraph is its "point" or overall message.