Why was the year 1989 one of the momentous in the twentieth century? select the reason that you best think makes the case and explain your answer with direct evidence from the lecture, reading, and other course material. use parenthetical citations to indicate where you obtained your evidence and do not use materials from outside of the class. a parenthetical citation includes the (author, page) or just state (weekly lecture). answers without any citation will be penalized. remember, no outside sources are allowed.