For Jt,
Definition of nationalism
1: loyalty and devotion to a nation; especially : a sense of national consciousness (see consciousness 1c) exalting one nation above all others and placing primary emphasis on promotion of its culture and interests as opposed to those of other nations or supranational groups
https://amp.theguardian.com/us...obalisation-problems
In other words, sell out and throw your country under the bus like he and the other Dems have done for the last 8 years.