Segregation and separation of classes in American urban environments occurs because of .
A.
the deterioration of urban spaces and human decisions based on discrimination
B.
natural urban growth patterns
C.
the declining numbers of obsolete neighborhoods
D.
black codes and Jim Crow laws

(according to other reviews it isn't d)

a

Explanation:

people get scared and because they get scared they push others away whether its fair, or not

abraham lincoln was the president of usa and he had asked the audience to make a pledge on equality.

his pledge was:

“it is my earnest desire to know the will of the providence.”

lincoln also had hatred for people who condoned and practiced slavery and so he pledged:

""and if i can learnt what it is i can do it"" this is another pledge by abraham to reassure the congregation on how to deal with the providence will.

explanation:

hope this !