Why Are Some Flags Similar?

Why do some countries have similar flags to one another? What are the cultural connections between them? This is a quick video explaining some similarities. ___________ Facebook: https://www.facebook.com/geographyhub Music by: Soundbar: https://www.youtube.com/channel/UCLVW... Sam Kuzel: www.soundcloud.com/samkuzel End Credit Song: Sam Kuzel "Fremont"