Answer:
checks and balances mean
counterbalancing influences by which an organization or system is regulated, typically those ensuring that political power is not concentrated in the hands of individuals or groups.
separation of powers means
Separation of powers is a doctrine of constitutional law under which the three branches of government (executive, legislative, and judicial) are kept separate. This is also known as the system of checks and balances because each branch is given certain powers to check and balance the other branches.
judicial review means
Judicial review is the idea, fundamental to the US system of government, that the actions of the executive and legislative branches of government are subject to review and possible invalidation by the judiciary.
And federalism is
It grants Congress the power to levy and collect nationwide taxes for the purpose of funding or paying debts associated with the defense and general welfare of the country.
So I would go with checks and balances because president Trump tried to take all the power into his own hands with some things such as.
He wanted to build a wall that spans all of Mexico to keep them out.
He wanted the navy and air force to back him up so people could not get around the wall.
And he wanted to cut off immigration from Mexico to the US and that is one of are biggest ways of making money is tourism.
