In order to help the student expand his/her knowledge I will help answer the question. This in hope that the student will get a piece of knowledge that will help him/her through his/her homework or future tests.
Losing favor after 1828, the earliest method of nominating candidates for office was the legislative Caucus. This is a meeting of a big organization in this case of the government to select candidates or to decide on new policies.
I hope it helps, Regards.