A trade war began after talks between the U.S. and Canada failed in late August. As a result, tariffs on various Canadian goods took effect. These tariffs, imposed by Trump, are set at 50 percent.

Details about the trade war and its effects are available from the source. A poll also found that a majority of Americans oppose certain actions, including a name change for Lake Ontario and tariffs on Canada.

Further information on the poll and the trade war can be found through the source, which provides more details on these topics.