Into boundaries and different locations like counties, cities, counties, and countries
C. there are drought frequently in some areas.
China's "one child" policy of the late-1900s applied MOSTLY to rural areas. The one-child policy was a population control policy of China. It began during 1978 until 2015 where it was formally phased out. It was strictly enforced at the provincial level.
It's called the Social Security Trust Fund, and it's typically taken directly from wages. If you ever get a job, on your pay stub there will be a deduction that's usually just called "SOCIAL SECURITY". So, largely payroll taxes.
Answer:
Probably because in the south, the farmers needed help with gathering alot of crops, such as cotton. In the north, they didn't have farms, so they didn't need slaves.