Answer:
from roughly 2550 to 2490 B.C
The answer is IT STARTED THE CIVIL SERVICE COMMISSION.
Social studies is important because history always seems to have a way of repeating itself, but the more you know about history, the more you can prevent some of the bad things that happen. It's also important to know about other countries and cultures and what happened before you were born and what's happening now. It's important to be in the know.
A rare prehistoric fish called the Mangar is only now found in Cuba.
Cuba has the highest doctor patient ratio in the world. So many doctors in Cuba are sent abroad to countries with medical needs.
Cuba has a 99.8% literacy rate, one of the highest in the world.<span />