Them practcing the war was a policy to end the us involvement in the vietnam war
The Franco-Prussian War (1870) was a conflict between the Second French Empire and Third French Republic, and the states of North German Confederation led by the Kingdom of Prussia. It resulted in a German victory and it was a key part of the wars of Unification of Germany made specifically to building an integrated nation state from the former Empire. This ultimately set the precedents for Nazi Germany and World War II.
2. Colonists could only trade with England
I don't think they would treat religion the same as they did