Ming and Chin Dynasties were in power during those centuries
Semantics is the study of word meanings.
It is one part of linguistics, other being syntax: the study of sentence structure, phonology and phonetics: the study of sounds, morphology: the study of word structures and pragmatics: the study of actual use of language.
Due to the fact that the first and third don't make sense, I think the answer should be the second.
Hope this Helps! :)
Getting rid of people who opposed, getting rid of the provisional government, and they had to get peasants to start a revolution.