LAS VEGAS (AP) — Appeals from American tourism organizations seemed to be everywhere Josh Loewen looked over the last year. An acrimonious trade war between the United States and Canada is threatening to reinforce the resolve of Canadians who stopped visiting the U.S. Key points and original sources are listed below.

• LAS VEGAS (AP) — Appeals from American tourism organizations seemed to be everywhere Josh Loewen looked over the last year. Billboards and banners proclaimed a state or city's love for Canada. Online and social media ads offered special deals for travelers fro...S1

• An acrimonious trade war between the United States and Canada is threatening to reinforce the resolve of Canadians who stopped visiting the U.S. last yearS2