Which of the following was NOT an advantage enjoyed by the Union? a
manufacturing capabiliites
b
infrastructure such as railroads and communication lines
c
the advantage of fighting a war of attrition
d
established military

a system in which products were made rapidly by machines

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

c) legal battles last five weeks after the election due to the narrow victory in several states.

the answer here would be