A map titled Boundaries of the Roman Empire. A key shows areas of the Roman Empire during 2 time periods. Roman Empire in 201 B C E are green, Roman Empire additions in 100 B C E are purple. How would a historian use this political map to study Roman civilization?

to understand Roman forms of government
to determine how the Roman Empire expanded over time
to determine how much wealth the Roman Empire had
to understand how geography affected Roman culture

deseasie in europe              

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.

geography

this is because warmer climates often don't get people sick from the flu and regions where it was often colder more people received the flu. hope this if you need more reasoning i am here to