Plz help for 100 points

Amain reason most irish immigrants came to the united states in the mid-1800s wasa) to find jobs as skilled workers.b) to escape a potato famine.c) to live in less-crowded conditions.d) to escape religious persecution.

Look at the graph. where p is price and q is quantity, what might cause a move from b to a?

The source of wealth for the city-states of the east african coast was trade between the interior of africa and the far east. true false