Answer:
he knew how to crush a rebellion and he was an action hero
The incorporation of the bill of rights is a doctrine that defends that The Bill of Rights should be applicable and respected by the states of the US.
Initially, the Supreme Court was strict on this matter and the common understanding was that the Bill of Rights should only be respected and followed by the Federal Government - you can see it on Barron vs Baltimore case. After the abolition of slavery and the post-civil war era many rights were granted to people and over time the incorporation doctrine gained strength.
The most striking similarity between these two explorers was their ruthless nature towards the natives they encountered on their various journeys. Both men wanted to extract as many resources as possible from the conquered peoples.
