Answer:
Explanation:
First of all, pick out the nouns.
Loyalty
Patriotism
Citizens
Now here's the thing. You can touch or smell or see or hear or feel (with your hands) concrete nouns. If you can't touch them etc., they are abstract nouns.
You can touch a citizen. If you don't believe me, go hug your mom. But how do you touch Loyalty and Patriotism? You can't. So those two nouns are your abstract nouns.