Answer
C. Gregorian calendar
Gregorian calendar first divided dates into two categories BC and AD.
Explanation;
BC means before christ; it is the time period in history before the existence of Christ, and differs in that BC era years decrease as you move forward in time rather than increase. A.D, means 'Anno Domini' which a Latin names for After Christ.
Gregorian Calendar is the most widely used calendar in the World today, also known as the Western or Christian calendar.
Explanation:
Qin Shi Huang began a militarily-driven expansionist policy. In 229 B.C., the Qin seized Zhao territory and continued until they seized all five Zhou states to create a unified Chinese empire in 221 B.C.
<span>One of the main thoughts was that it would have been best to place Germany under extreme economic pressure, which would have damaged the country more than if the Allies waged full-scale war against them. This was one of the major areas of disagreement because Clemenceau was wishing for these economic pressures, while Wilson wanted a more "peaceful" solution and George wanted punishments that would still allow Germany to thrive in the future and be able to help the rest of the European continent.</span>