lizettedeleon933 lizettedeleon933
  • 12-12-2019
  • Chemistry
contestada

how did the transcontinental railroad affect the frontier?
A ) by reducing demand for unskilled laborers
B ) by helping settlers migrate to western lands.
C ) by reducing profit opportunities for industrialists
D ) by preserving tribal lands of american Indians. ​

Respuesta :

2noop 2noop
  • 12-12-2019

Answer:

B

Explanation:

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