Yes, imperialism is by definition, when a state extends the authority of its rule over other nations or colonies through conquest or the threat of conquest. After World War 2, Europe still held...
Mostly for radar and improving technologies. The Radar was discovered with a test, when a plane flew over and made the reaction. This gave British scientists the idea of radar.
yes they did the Hindenburg was a blimp before ww2 so they did exist however they would of not seen that much combat time considering there were more efficient means of combat
As far as I'm aware, the first 'computer' was developed during ww2 by IBM to keep track of those the Nazis had marked for removal. It was a card system, by no means a computer as we today would...