The one that is different between the area of Germany between now and when it was in 1648 was : in 1648, it was part of the Polish Lithuanian commonwealthBack then, the commonwealth was considered as one of the largest and the most powerful kingdom in Europe
hope this helps:)
About 10 to 14 days depends where in Japan or california
This type of democracy like what is demonstrated in the United Staes is called " Representative Democracy" Hope this helped!