I do believe the early Egyptians, being as smart as they where used a interesting method of a sundial. It caught the suns shadow and they where able to use it to tell the time.
It was called the Crusades. There was 4 wars that lasted until the late 15th century
The scholar-gentry carried out social welfare measures, taught in private schools, helped negotiate minor legal disputes, supervised community projects, maintained local law and order, conducted Confucian ceremonies, assisted in the governments collection of taxes, and preached Confucian moral teachings.
The Chinese civil service system gave the Chinese empire stability for more than 2,000 years and provided one of the major outlets for social mobility in Chinese society. It later served as a model for the civil service systems that developed in other Asian and Western countries
Dont have anything around you that can distract you from what you are currently doing. focus on one thing at a time
The answer is B...........