Which agreement rule applies to a subject joined by or or nor? use a plural verb use a singular verb make the verb agree with the subject closest to the verb make the verb agree with the first subject listed

The correct solution would be to make the verb agree with the subject closest to the verb. An example sentence to prove this might be: 'Neither her mother nor her friends were able to come to her party' the subject closest to the verb is 'friends' so were has to be used.