Answer:
Soldiers fight it but never changes.
It can be done to buttons and shopping carts. What is it?
Every country has one, though we are not the same. Waving to our citizens, throughout the wind and rain. What is it?
Retired people want these to be large and birds want them to hatch.
What is this Mexican dish consisting of a tortilla rolled around a filling, typically of beans or ground or shredded beef?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?