A federal republic is a federation of states with a republican form of that of the government and is a country that is governed by an elected representative than by a king or queen.
The communist party of china is a ruling party of the people republic and is within the mainland china and it was founded by 1921.
The military junta is a govt lead by the military community of the member states, and junta means a meeting. Originated by the spanish resistance against the napoleon invasions.
A constitutional monarchy is a form of the govt and the no elected monarch heads the states within the limit of the constitution and political power is shared between the govt and the monarch.
Because the soviet union and america owned east germany which had a good economy while west germany had german rule and a low economy but in november 1991 they agreed in taking the berlin wall down and reuinting germany.