What problem occurred during the presidential election of 1800?

it was candidates from the same party that ran against each other

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.