(CERCLA) is a United States federal law designed to clean up sites contaminated with hazardous substances and pollutants.
Answer:
Monarchy is a form of government where a state is headed by a monarch while democracy is a government headed by elected representatives
Explanation:
Congressional investigations not only help legislators make better policy decisions, but they are central to the system of checks and balances. Investigatory hearings can uncover presidential abuses of power and corruption, such as the Teapot Dome scandal in the 1920s or Watergate in the 1970s.