A. It brought them domestic animals they had never seen before.
1) B
2) B
Would be what I'll pick.
The United States was responsible for construction and were in charge of the waterway until 1999ΔΔΔΔΔΔΔΔΔΔ∴∵∴∵∴∵∴↔→→←←←←←←←←←⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕⊕
It only granted popular sovereignty to eastern states. It reinforced the unpopular missouri compromise. It forced people to relocate to the great plains region