What argument was the author of this statement. john marshall, making about how the federal government should function

John Marshall became the fourth chief justice of the U.S. Supreme Court in 1801. He is largely responsible for establishing the Supreme Court's role in federal government.

His court opinions helped create the foundation for constitutional law in America and ... affected the balance of power between the states and the federal government.

I hope my answer has come to your help. God bless and have a nice day ahead!

They made a checks and balance system to equal power within the branches. the "check" meant that one branch would watch one branch and "balance" them if they were too powerful. if you want more info on this, i would just google checks and balance system.