Earlier quoted context omitted.
Nationalism has a strong component of devotion, an emotional attachment, to the state. Its a derivative of statism, which itself is a derivative of tribalism. You can have either liberals or conservatives subject to such an emotional appeal to the state. Due to the strong emotional appeal in nationalism, the political ideology is more nuanced. In classic liberalism, power comes from the individual who then grants a r…
"Nationalism has a strong component of devotion, an emotional attachment, to the state." Actually, as the name itself suggests, it is about devotion to the nation not the state. Nationalism never ceased to be promoted, even after ww2, but the attention bias caused much of it to go unnoticed. The so-called "rise" of today's nationalism is in fact more of a rise in public awareness to it from (globally) opposing sides.
Nations are called States commonly. Sometimes even referred to as "Nation-States".
The USA is unique in that we have states within a nation, rather than a single nation state and/or provinces.