Answer:
A. Congress impeaches the president for corruption.
Step-by-step explanation:
The rule of the law is deemed a fundamental principle of a free and just government in which all people, institutions and the government, are equally accountable under the law, meaning that the law is equally applied to all, regardless of economic status, race, genre, age, beliefs, or position in the government.
Option A illustrates this principle because it demonstrates that even heads of authority like the President is accountable under the law and they are not exempt from penalties (such as impeachment) if they do something illegal, implying that the law is equally applied to all.