Slavery increased in Southern states as Northern states took steps to end it. Which answer best explains how this division affected westward expansion? (5 points) a
Existing states fought to keep their slaves from moving westward.

b
Existing Southern states were finally convinced to abolish slavery.

c
Existing states fought over whether or not slavery should be allowed in the new territories.

d
Existing states did not want their slaves to join forces with Native Americans from the West.

C. Existing States fought over whether or not slavery should be allowed in the new terrotories

Explanation:As the united states started expanding the amount of states that were slavery or not had to be kept equal or else there would be lots of tension between the states and they would fight, this was later one of the causes of the civil war. The south wanted westward terrotories to have slavery and the north wanted the oppisite, hope this helps :).

it is either a or c because answer b goes against the statement made in the question and answer d doesn't make sense.

3.a

4.d

5.b

6.b

7.c

8.a

9.d

10.a

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.