March 1, 1781 - Maryland delegates signed the ratification of the Articles of Confederation. The Articles were finally ratified by all thirteen states.
February 21, 1787 - Congress approved a plan to hold a convention in Philadelphia to revise the Articles of Confederation.
Either A or C hope this helps with the process of elimination :D
Answer:
Pros of Constitutional Monarchy. Unity. Security. System of Equality. Neutrality. Allows for Change in the Government.
Cons of Constitutional Monarchy. Slow Decision Making. Costly Form of Government. Difficult To Get Approval. Leadership is not always of Quality. Complex Government Structure.
Explanation: