This voting system was used in georgia's primaries from 1917 to 1962, allotting votes by county in party primary elections and giving a great amount of power to rural areas at the expense of urban population centers.

County Unit System..

Explanation:

The county unit system was a voting system used by the U.S. state of Georgia to determine a victor in statewide primary elections from 1917 until 1962.

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.

a.) are both appointed for life