When a wealthy landowner was given full control over land in the new world, the colonies were known as "proprietary colonies" since these gave the dominating landowners far more control of the lives of the colonists.
Long explanation: Marshall's ruling established the precedent of judicial review by which the Supreme Court has the final say on whether a law is constitutional or unconstitutional.
Short and simple Explanation: John Marshall established judicial review through it. The judicial review that was created allows a better system of checks and balances for the other branches of government to ensure that all actions are constitutional.
Well I don’t think it will effect the us unless they try to cause warfare or there trying to make a new weapon but my predictions are depending if it’s a problem for the United States nothing should happen