Final answer:
The theory that political power is dominated by the wealthy is true according to elite theory.
Step-by-step explanation:
The theory that political power is dominated by the wealthy, who commonly use that power for their own benefit, is true. This perspective is known as elite theory. According to elite theory, the wealthy control the government and make policy decisions that benefit themselves. They have the power to influence social and political systems due to their wealth and often hold important positions in politics.