Answer: What happened in the 14th century in China?
The Ming dynasty: 1368-1644
But a series of disasters in the early 14th century unsettles the dynasty. A civil war between rival Mongol princes breaks out in 1328. There is widespread famine. Disastrous floods cause armies of peasants to be press-ganged into heavy work on the river defences.
Explanation:
This would be the definition of an obligation.
Answer:
https://www.presidency.ucsb.edu/documents/the-meaning-communism-americans-study-paper-richard-m-nixon-vice-president-united-states
Explanation:
well I think you might find the answer here
I hope this helps