Following the civil war industry began to expand westward mostly to

the increasing number of railroads that connected the east coast with the west coast.

answer: in october 1962, an american u-2 spy plane secretly photographed nuclear missile sites being built by the soviet union on the island of cuba. president kennedy did not want the soviet union and cuba to know that he had discovered the missiles. he met in secret with his advisors for several days to discuss the problem.

explanation:

they died because of a disease during the first spanish colonies.