What was one social change mao zedong instituted in china after 1949

Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. —"the gettysburg address," abraham lincoln which quotation correctly uses an ellipsis to shorten lincoln’s words?

When u make a choice the experience from what would have been your second option is called

Which of the following is an example of an iron triangle?