Besides connecting the eastern united states with the western united states, the transcontinental railroad was also instrumental
in a.driving a gap through the confederate territories.
b.bringing in immigrants from ireland and china. eliminate
c.getting california admitted as a state.
d.ending the reconstruction era.
Aside from connecting the East U.S. to the West U.S., the transcontinental railroad was also instrumental in driving a gap through the confederate territories and ending the reconstruction era. (Choices A and D are the answers.)
The main reason why policymakers in the Johnson administration wanted to continue U.S. involvement in Vietnam is because they wanted to justify the commitment of the US to the conflict--a commitment that had cost thousands of lives in an effort to contain communism.