Answer:
The calendar
Explanation:
The egyptians invented the calendar so that they could know when the Nile would flood. I know I' m very late on this but I just want to help :)
At the outbreak of the war, for example, the majority of the Cherokees sided with the Union, but soon after allied with the Confederacy. Native Americans fought knowing they might jeopardize their sovereignty, unique cultures, and ancestral lands if they ended up on the losing side of the Civil War.
B..................................................
I think its likely economic
The Christian Cross is important to Christianity because it represents the wooden cross Jesus had died on. It is the symbol for sacrifice and love of the Lord for humanity.
