To date, most of the proposals that have been endorsed by the Citizens League have been passed by the city council. Thus, any future proposal that is endorsed by the Citizens League will probably be passed as well.
The pattern of reasoning in which the argument 'Most of the editors who have worked for the local newspaper have not been sympathetic to local farmers. Thus, if the newspaper hires someone who is sympathetic to local farmers, they will probably not be hired as an editor' is most similar to that in the argument above.