Each of these events occurred during 1968 except

select one:

a. the assassination of martin luther king jr.
b. the assassination of robert kennedy
c. the vietnam war
d. president richard milhous nixon resigned from office

i don't see how you want other people to do your work for you and it is like you are just handing your assignment to anybody else and having them deal with it instead of your self i thought this site was for asking questions and somebody could you on it not just handing your work to somebody else to deal with it just saying don't mean to be mean just proving a fact.

explanation:

i am sure the answer is d