Alexander Hamilton wanted the national bank to be able to

Hamilton believed a national bank was necessary to stabilize and improve the nation's credit

Explanation:

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

answer; /// the correct answer is (a) burned the city;