Use the passage to answer the question. which of the following best summarizes this passage?
a.
the oregon trail was first used by mormons fleeing religious persecution.
b.
the oregon trail grew from small beginnings to a major migration route.
c.
the oregon trail was made more accessible by missionaries who define the route.
d.
the oregon trail was developed by the military to monitor interactions between native american groups and settlers.

a is your answer hope this ! : )

answer; chemical substances that affect our psychological state;

the civil war started because of uncompromising differences between the free and slave states over the power of the national government to prohibit slavery in the territories that had not yet become states. when abraham lincoln won election in 1860 as the first republican president on a platform pledging to keep slavery out of the territories, seven slave states in the deep south seceded and formed a new nation, the confederate states of america. the incoming lincoln administration and most of the northern people refused to recognize the legitimacy of secession. they feared that it would discredit democracy and create a fatal precedent that would eventually fragment the no-longer united states into several small, squabbling countries.

i believe it caused a regional impact in societ