If foot canvassing, the canvasser may also distribute flyers. Almost all election canvassing includes asking how a person plans to vote. They also include providing youth manpower to campaigns for canvassing and phone banks. There were many reasons why candidates invested much time and money in canvassing. Swedish authorities were canvassing border areas with pamphlets subverting the independence movement. This included billboard advertisements and canvassing with flyers. The years since 2000 have seen a widespread revival of election canvassing. NDTC trainings cover topics like communications, campaign finance, and canvassing. A core campaign activity was canvassing in the Forum. The Crowther Committee recommended that doorstep canvassing for loans should be completely prohibited. As corruption faded, parties returned to using canvassing to win votes through persuasion and GOTV. Among those serving on the canvassing board included former West Palm Beach mayor Carol Roberts. Police barricaded the perimeter and began canvassing the crime scene. They conduct actual canvassing among the homeless as a cover. After canvassing the support of his colleagues, Abbott decided to withdraw his nomination.