By the 1870s, the internal combustion engine has arrived, and the Germans invent its killer app,
Um 1870 erscheint der
Verbrennungsmotor und die Deutschen erfinden seine Killer-App, das Automobil.
By 1920, the internal combustion engine had won the race for control of the roads.
Um 1920 hatte der
Verbrennungsmotor das Rennen um die Kontrolle der Straße gewonnen.