In the dictionary, patriotism and nationalism are virtually the same. Pride is one’s country is the touchstone.
George Orwell during World War II tried to make a distinction. He saw patriotism as passive and nationalism as aggressive. He didn’t mean his altering of terminology to be flattering.
We disagree with Orwell and embrace both. But for the sake of argument let’s run with his new definitions.
In practice: Patriotism would be about building a fence between the USA and Mexico.
In practice: Nationalism is about annexing Mexico.
Where do we stand? As the late Conservative member of the British Parliament, Enoch Powell, used to say: To pose the question is to know the answer.