Governments in Europe
The United kingdom is a constitutional monarchy. They are ruled by a prime minister. They have two government houses. The house of commons and the house of lords. The house of lords is just inherited or selected by the queen but, they have little power. The house of commons have the most power.
Russia is a federation. They are run by a president. They were once under communist control after the Russian revolution . They were under communist control until 1990.
Germany is a federal democracy. It is run by a chancellor and a president. The president represents Germany at social events and parties. The president doesn't really have power the chancellor has most of the power