¿Cómo se transformó la imagen que los europeos tenían del mundo a partir de los viajes de exploración de los siglos XV y XVI? ¿Cómo se manifestaron estos cambios en la cartografía de la época?

The answer would be a

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.

Ithink it is something and something