 Complete the following phrase:  Starting from Orleansplatz, three streets like open up like rays into the so-called French Quarter, which owes its name to the fact that, after the German victory in the Franco-Prussian War 18701871, the city planners decided in 1872 to lay out the streets and squares here according to the French pattern and to have the streets run into squares in a star shape. In addition, names were chosen for places where German armies won battles in the Franco-Prussian War - such as the 