The main factor that slowed construction of the central pacific railroad was a shortage of supplies, which had to be shipped around south america. intense summer heat that melted the railroad ties and tracks. scarcity of wood used for building railroad ties and trestles. conflicts with american indians who closed down the tracks.

The correct answer is a shortage of supplies, which had to be shipped around South America.

Although the government gave land to the railroad companies to accelerate the development of a transcontinental railroad, there was still a challenge of supplies which slowed down the construction

true

explanation:

the correct option is: a liberal.

the kind of person that is most likely to hold a left-wing political ideology is liberal because they have in common that they support human individual rights and liberties. also, they both have politically and economically centrist.

moreover, a liberal believes that everyone should have equal rights as well as opportunities to succeed in life, and the freedom to make their own decisions as long as they don't attack the rights of other people. all people deserve the same opportunities and basic needs.