American flags are pretty popular.
The Union Flag of Great Britain.
Most likely that it has a maple leaf.
Stars and stripes.
There are many different symbols of Germany. Two of the most popular would be the German Flag and the German coat of arms.
blue and yellow because those are the colors to the Sweden flag
YES
Most popular of course is a dog like everywhere else. But one animal (bird) is a symbol of Serbia, it's Eagle, beeing on a flag for centuries.
Some of the most popular colors in Great Britain include blue, red, and green. These colors are often associated with the Union Jack flag, the countryside, and British heritage. Additionally, neutral colors such as grey and beige are commonly used in British interior design.
This flag and color combination has no popular meaning.
The Union Jack
It is the flag of Europe!
American flag lapel pins are quite popular. No one is prevented from wearing the flag if they so desire.