If you like reading novels, reading history is equivalent to reading novels. Every time you read a history book, don't look for any key points the first time, but read it carefully from beginning to end (including fine print). I think history is very organized. And you don't have to recite history. The important thing is that you learn to communicate. And if you want to associate, you must read the small print, because the content of the big print is general and you may forget it after reading it, while the small print is a story and it is easier to associate. If you have time, you'd better watch it once a week, but you'd better watch it from beginning to end. If you don't have time, just pick the point that the teacher said. If you write down the key points with a notebook, as far as I am concerned, nothing can compare with a book, because the book is coherent.