What would be the best definition of economics?
a economics is something we study in history to learn about jobs.
b economics is about money. it is also a study about employment, decision-
making and choices, and how scarcity and competition lead people to behave.
c economics is they way people make money and how they find their hobbies.
d economics is how people choose a job and where they choose to live.

Economics is about money. It is also a study about employment, decision-

making and choices, and how scarcity and competition lead people to behave.

Explanation:

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:

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases