if you were a fifteenth-century american indian living in the region of modern-day ohio, what would you most likely think of this region in its present form? you would be that the pollution in the great lakes had been cleaned up since the twentieth century.
you would be amazed by how the cities had reversed pollution trends after many factories closed down.
you would approve of how americans had cut down forests in order to make the region economically vibrant.
you would be concerned that the natural landscape had been destroyed and polluted by large factories, farms, and cities.

i think it is a system for harvesting crops more easily

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:

i believe the answer to your question is b. pay your bills early