The U.S. has imposed 25% tariffs on Canadian exports, and Canada has responded with countermeasures. How should Canada escalate its response? You moll Portal CHVN Classic107 Cochrane Estevan HighRiver Humboldt Lacombe MooseJaw Okotoks PembinaValley Portage Reach Steinbach Strathmore SwiftCurrent WestCentral Westman Weyburn