How Did American Companies Contribute to the Influx of Puerto

How did American companies contribute to the influx of Puerto Rican migrants by the hundreds of thousands beginning in the 1950s?

A) They were looking for cheaper labor to replace expensive union contracts.
B) They recruited Puerto Ricans primarily for construction jobs in Florida and in the fishing industry.
C) The end of the bracero program in 1954 prompted American agribusiness to look for new cheap labor in Puerto Rico.
D) The increasing control of the island's land by U.S. sugar companies pushed small farmers off the land.
E) The dramatic environmental destruction corporations brought to Puerto Rico left residents no choice but to migrate to the mainland.