20 points i beg you pl

what conclusion can be made about the location of egypt's major cities?
a. the flow of the nile river ran south, so more cities were located in the north. b. egyptians built cites in a north-south direction to take advantage of wind power. c. cities were located along the nile river to take advantage of the annual flooding. d. egyptian cities were located a far apart because there was a lot of warfare.

The main answer is A. If there are two answers available, I would choose A and C, but if there is only one, I would choose A.

silk

indigo  

rice

all the other answers are wrong

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.