How did bill gates earn the title world s richest man?

He founded the computer software company Microsoft, and created windows. This software was used in practically every Computer, excluding those who were programmed by a different company. Since everyone used his product, He earned enough money to become the worlds richest man.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

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.