Why was the manufacturing belt called the rust belt in the latter decades of the 20th century? select one of the options below as your
a. unusually high rates of rainfall caused steel and iron buildings to rust
b. the deterioration of iron into rust aptly described the decline of the iron, steel, and related industries in the region
c. it was named after the geographer, george rust, who had predicted the decline of the manufacturing belt
d. it was used in an advertising campaign to

b) a state law could be declared illegal if it contradicted the constitution.

explanation:

the conflict of this case originated when james w. mcculloch, a cashier of the baltimore branch of the second bank of the united states that the congress had chartered in 1816, refused to pay a tax imposed by the maryland state.

in the case, the state of maryland appealed that the establishment of a second bank was unconstitutional since the constitution didn't say anything about granting that power to congress. however, the case determined that even if such right wasn't specifically stated in the constitution, it was part of the "implied powers" of the government enunciated in article i, section 8.

the case also eliminated maryland's legislation to impose taxes to a national bank, asserting that even though the states retained the power of taxation, the constitution's laws are supreme and can not be controlled by the states, therefore, if a state law contradicts the constitution, it should be declared illegal.

explanation:

he was able to speed up production of the processing of seeds