Question

Which of the following became an issue of contentious debate and dominated American politics during the period of westward expansion?
A
the forced removal of American Indians from their lands and onto newly created reservations

B
the expansion of slavery into the western territories and the increased growth of slave populations

C
the building of a transcontinental railroad linking the east and the west coasts of the nation

D
the decision to allow immigrants from Asia to come to the United States to work and live

Answer 1

Answer:

a i think would be correct.

Explanation:

because it was ethicly wrong to them and back then slaverey wasnt seen as being an issue all that time ago