I think the first sentence is correct, and you should remove the word have in the second
Answer:
The author believes one person can make a difference.
Explanation:
The author believes one person can make a difference.
Answer:
C. While foreign migrant workers are forced to leave the United States after a period of time, migrant workers from within the United States are able to stay and work indefinitely.
Explanation:
The author was trying to let us know that, due to the type of visa which the migrant workers have, they have no choice than to leave the US after the expiring of the validity while on the otherhand, the migrant workers from within US never had such issue.
