A. flappers
I'm not sure what B refers to but i know C. is referring to the recession and D. refers to woman's suffering.
Occupational Safety and Health
Answer:
The Yuan Dynasty was the ethnic-Mongolian dynasty that ruled China from 1279 to 1368 found in 1271 by Kublai Khan, the grandson of Genghis Khan
The emergence of the Mongol dynasty dates to 1206, when Genghis Khan was able to unify under his leadership all Mongols in the vast steppe lands north of China. Genghis began encroaching on the Jin dynasty in northern China in 1211 and finally took the Jin capital of Yanjing (or Daxing; present-day Beijing) in 1215.
Explanation:
Hello!
The correct answer ro your question is: B. It needed ports that could be used year round.
I really hope you found this helpful! :)