What is the principal behind the constitution's division of power between federal and state government?

Dude I am so happy someone asked this. Okay, so pretty much the congress didn't want the president, or even the senate as a whole to hold too much power, so they allowed the states to semi-govern themselves to avoid a power hungry president.

abraham lincoln was the president of usa and he had asked the audience to make a pledge on equality.

his pledge was:

“it is my earnest desire to know the will of the providence.”

lincoln also had hatred for people who condoned and practiced slavery and so he pledged:

""and if i can learnt what it is i can do it"" this is another pledge by abraham to reassure the congregation on how to deal with the providence will.

explanation:

hope this !

answer; i believe the correct answer is (favorable balance);