Answer:
B, their number system.
Explanation:
The Arabic Number system (1,2,3,4,5,6- Numbers like these.) was created in India and later adopted by Arabs. The reason they call it Arabic, is because the Europeans were introduced to it from Arabs and not Indians, so they assumed Arabs made it.
Answer:
Immigration gives the United States an economic edge in the world economy. Immigrants bring innovative ideas and entrepreneurial spirit to the U.S. economy. They provide business contacts to other markets, enhancing America's ability to trade and invest profitably in the global economy.
The war that happened. I'm sure that is the answer
Answer:
It caused people to be more poor
