First, put the relevant historical events together to remember, so it is easier to achieve mastery through a comprehensive study;
Second, putting the time points together for the Dalian string is like singing a saliva song, so as long as you think of one time point, you will naturally think of other times!
Third, remember the relevant events and people. If you really can't remember it, stick it on the bedside and all visible places!
In this way, by strengthening your memory, you will slowly sort out a series of clues!
In this way, in the exam, you will get good grades without any suspense!
Wish you success!