The external conflicts in the diary are of two types. First, there is a person vs. society conflict. Anne struggled and chafed against the Nazi regime that unjustly wanted to annihilate the entire Jewish population.
Explanation:
Man vs. Man-the character is in conflict with another person in the story.
Man vs. Society-the character faces conflict due to some type of societal norm that is in conflict with his/her beliefs or actions.
Man vs. Nature-the character faces trials due to natural forces.