A power that is held only by the united states senate is the power to?

The Senate has the sole power to conduct impeachment trials, essentially serving as jury and judge. Since 1789 the Senate has tried 20 federal officials, including three presidents. Congress has conducted investigations of malfeasance in the executive branch and elsewhere in American society since 1792.

Explanation:

if helps mark brainllest

answer; i believe the correct answer is (desert storm);