As a result of the Immigration Act of 1965, new quotas on Asian immigration were established.

victims of war were not allowed to enter the United States.

racial and ethnic restrictions became more important.

skilled and educated workers were encouraged to immigrate.

The correct answer is c

They had to go back and forth to the atlantic ocean and the pacific ocean to build the panama canal thats the best i can answer

D.castro refused to hand over american journalists he held.the cuban missile crisis happened during kennedy's presidency.cuba had not traded with the u.s. since its communist regime took power.civilian planes had not been allowed near cuban airspace since hostilities began.