How did the Transcontinental Railroad encourage movement west?

The completion of the First Transcontinental Railroad in 1869 had a huge impact on the West. It encouraged further settlement in the West as it made travelling their cheaper and easier. It also encouraged the development of towns along the railroad, as the railroad made the west less isolated.

Abarrier that transport

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.