What were the consequences of this transcontinental trade?

By the coming of the Transcontinental Railroad in the 1800s, it changed the situation of the economy and social condition of America. It also connected the East with the West in less amount of time the in stagecoaches, wagon or waterways. With the deduction of time led the people to conduct trade by expanding markets through transporting goods like crops and livestock.

a.) are both appointed for life