We've been in like, a whole bunch of wars.
Did you not know we had a military?
It's probably for defending the north. Russia and Canada have been disputing those borders for a long time, and with global warming opening access to more natural resources, it's about to get spicy.

They make me cringe so hard. When I got my first job interview at McDonalds they came by in red and yellow tabbards to show our family's loyalty to their house.