The dragon backbone pump was invented during the Song dynasty. What does a dragon backbone pump do? a. helps doctors treat bone illnesses b. helps pump water out of flooded boats c. allows one man to scoop water from one place and dump it into an irrigation canal d. automatically pumps arrows through a long tube Please select the best answer from the choices provided A B C D

both are true, the congress does have the power to create banks, even if this power is not specifically described in the constitution, since there is nothing restricting it and there is power given to the congress to make "all laws which shall be necessary and proper". maryland was not allowed to tax a branch of the national bank operating there, and the supreme court decided that no state could. both of these topics were discussed in a decision of the mcculloch v. maryland case in 1819.

"germany's geographic location was an advantage when it was on the offensive in the war because it was situated next to an extremely wide river, the rhine, which was difficult for the allies to cross."

the answer is b. hope this

it required the unanimous approval of the states before the congress could enact any measure.