Here are the terms that have wrong definitions:
Question 1
D. adversarial system action against someone for breaking the law
An adversarial system is a legal system in which two opposing advocates present their parties' case to an impartial party (judge or jury), who then tries to determine the truth of the case in question.
Question 2
A. straw polling using a sample that does not match the population
Straw polling is an unofficial vote that is normally used to measure public opinion on a certain matter or voter's intentions.
Question 3
C. reserved powers – powers of federal government not expressly stated
The reserved powers are powers reserved to the states.