Putting the off topic trolling of assholes like Antoinette aside in order to get back to the OP topic
Here’s a link to wide variety of Canadian tariffs on the USA as recent as 2022.
Merchandise tariff line scedule for <%=strReporterName%> Most Favored Nation (MFN), Preferential Tariffs for year <%=strYear%>
wits.worldbank.org
The purpose of US tariffs on Canuckistan is for the purpose of leveling the field a bit.
(This is still not a post tended to discuss the general value or wisdom of tariffs, in general.)