the.com/canvassing
democracy's door-to-door sales pitch, minus the free samples.
means directly contacting people, usually in person or by phone, to ask for their vote, opinion, or support.
from from canvas, the coarse cloth once used to sift grain; by the 1500s to canvass meant to toss something in a sheet to test it, then to sift through public opinion the same rough way.
knock rateorganizers often need 20 doors per 1 conversation
oldest useenglish parliamentary elections, 16th century
modern twinphone banking is canvassing without the shoes