Is Nationalism a Really Bad Thing?

I believe that patriotism is very good, right? Is good to be a patriot, but not to be nationalist, right? Because the idea of nationalism is that you exclude other people. So we are lak ar. But patriotism is about something itis like, i care about the people who share a mystery with me and a share, you know, an upbringing, and share certain traditions. That's great. Igt and i cheer for the a, you no tem usa at the olympics, and so on and so forth. But naturalism is different. Nationalism is this attempt to say, we are different from the others, and the others cannot be i tas