Answer: countries have different government systems for various reasons. The picture I have attached is how every different government systems and how they work. Some countries for example, Russia its Constitution states that it is a democratic, federative,law based with a republican based government. Russia's government makes decisions for people such as when you go to work, when you go home, how much you get paid, and how much taxes you pay. Hope it helps if not please just ask me what u don't understand