Which type of election would citizens be most likely to vote on a proposition

The correct answer should be a referendum. Referendums are propositions about legislature that are voted by the people. An example would be whether or not something should be done, and then the people vote instead of the people in the parliament.

Yes, just because one had a disability doesn't change the meaning of the word. they would most likely have an (whatever language) sign language to sign what's going on. it would be the same even if he was blind.