The correct answer is Germany declared unrestricted submarine warfare against all ships.
What this means is that Germany claimed control of the seas and oceans and if anyone opposed it they would attack it with their submarines. The US joined the war 2 months later.
because they were better educated than men
Because cars are more common and roads are cheeper economically for society
Well you would be in a new place so maybe a bit scared about what the new land will consist of. But also a bit excited because you would be making history.