C. Every ten years the government is required to conduct a census to determine population changes in congressional districts.
The last Chinese dynasty was the Qing, and it ruled until 1912 (Answer A is the correct one), with a very short restoration lasting only a few days in 1917 (but since this is not an option, 1912 is definitely the correct one).
To escape famine and disease. And find saftey in more settled climate and environment.
Is there a chart you can show us?