The largest mass migration in human history has taken place in China. Why?

(1 point)
Responses

Chinese are seeking political amnesty in other countries.
Chinese are seeking political amnesty in other countries.
Chinese are moving from the rural areas to fast-growing suburbs.
Chinese are moving from the rural areas to fast-growing suburbs.
Workers are leaving the rural areas to work in urban factories.
Workers are leaving the rural areas to work in urban factories.
Flooding and other natural disasters have driven millions of Chinese to flee the rural areas.

Workers are leaving the rural areas to work in urban factories.