C) They were wealthy and came to the United States to open businesses.
Out of all the answers, C is the most likely. Majority of our current forms of energy are nonrenewable resources. As such, we're using them all up.
Answer:
Muhammad's popularity was seen as threatening by the people in power in Mecca, and Muhammad took his followers on a journey from Mecca to Medina in 622. This journey is called the Hijrah (migration) and the event was seen as so important for Islam that 622 is the year in which the Islamic calendar begins.
Explanation:
The last one the route increased contact with foreign countries