Many Chinese people supported the nationalists because they believed the Manchos Dynasty has lost the Mandate of Heaven
<span>Advanced mathematics was critical to the development of the Mayan calendar. The Maya needed a system of mathematics to record celestial movements over the years, to handle large numbers, and to calculate the solar and lunar year with great precision.</span>
Their land was taken over, as was their food source, making it hard for them to survive. They did not have the same rights as Americans either until 1924. They were forced to live on reservations.
It promotes a good image and will easily and peacefully resolve contact