<span>It is to defend the collective security of member states. Your very welcome on this!</span>
Answer:
B. geographic features protected the North China Plain.
Explanation:
The North China Plain is protected on four fronts by imposing geographical feature, which allowed early Chinese civilization to flourish without much external influence or threat.
To the north, the Gobi Desert, to the West, the Chinese Mountains, and the Tibet, to the South, more mountains, and to the West, the China Sea and the Pacific Ocean.
During World War II, women and minorities made economic gains mainly because a shortage of traditional labor created new opportunities in the workplace.
You're correct, the answer is: <span>A. A shortage of traditional labor created new opportunities in the workplace
Good luck with your studies, I hope this helps~!</span>