Mao Zedong called for the Cultural Revolution because he believed Y reforms threatened social
equality

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;

originally he was supposed to be dead but they wanted to continue the series so they brought him back to life.

me on my last question.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.