<span> The ancient Egyptians were much more advanced than other civilizations in their era. One of their amazing achievements was inventing the calendar. They invented the calendar so they could know at what time of the year the Nile River would flood. Here is a picture of their calendar compared to ours. </span>
Whats the question send it to the commments so I can help u
C ig is the answer
hope this helps
C. It legitimized the power of the national government over states
