What challenges did china face after independence

the six main categories of environmental problems of China are: air pollution, water problems, soil problems, habitat destruction, biodiversity loss and mega projects. He also explain that "China is noted for the frequency, number, extent, and damage of its natural disasters''.

Mark this as BrainList it took so much effort! pls :)

b)

it created free trade throughout the colonial territories.

answer; taking up arms to defend the nation;