Which U.S.historical event often defines the plot and themes of many 1980s and 1990s action films (examples include Rambo, The Rock, and Lethal Weapon) ?

A) Watergate
B) the Iran-Contra Affair
C) World War II
D) Vietnam

Many action films in the 1980s and 1990s were heavily influenced by the Vietnam War, including movies like Rambo, The Rock, and Lethal Weapon. These films often portrayed disillusioned veterans or soldiers taking matters into their own hands to right the wrongs of the past. The impact of the Vietnam War on American culture and society during this time period was significant and continues to be reflected in popular media.