Question

Which of these was the largest and most constant issue facing the United States during the era of ''manifest destiny'?
A ) whether labor unions would be allowed to form
B ) whether states would allow women the right to vote
C ) whether Indians would be relocated to North Carolina
D ) whether slavery would spread across the United States

Answer 1

It is D ) whether slavery would spread across the United States

Answer 2

d. whether slavery would spread across the U.S.