Final answer:
Government advisers suggested levying new taxes through an Estates General to avoid conflicts with nobility and to prevent unrest, leading to the formation of the National Assembly and the French Revolution. Option C and D is correct answer.
Step-by-step explanation:
Different government advisers began telling King Louis XVI that new taxes could only be levied by an Estates General for several reasons, but predominantly to avoid conflicts with the nobility and to prevent unrest and revolts. The Estates General had not been called since 1614, and its assembly in 1789 was viewed as an opportunity to create a new parliamentary monarchy that could address the financial crisis through tax reforms.
However, the Third Estate rejected the old voting system, which was unfair towards their larger numbers, and this led to the formation of the National Assembly, an act of political rebellion reinforcing the sovereignty of the people and leading to significant social upheaval and the French Revolution.