I believe your answer would be the App Mountains i remember learning something similar to this in ninth grade but that was in the beginning of it so i might be wrong but i have a pretty good feeling it is :)
<em><u>Initiative process</u></em><em><u> is a process in which citizens can put a proposed new law directly on the ballot in the next election by collecting voters' signatures on a petition. It is a form of direct democracy.</u></em>
Referendum on the other hand allows citizens to approve or reject a law passed by the legislature.
Recall is a procedure that permits voters to remove public officials from office before the next election.