Why Germany used the jet fighters in world war 2 before britain?

[Elmoktaeb]

Why Germany used the jet fighters in world war 2 before britain?
And tell me please Which was the most technological country in producing more modern and technological air fighters during world war 2 Germany or usa or britain?

[AegisFC]

These questions can be answered by a simple internet search on your favorite search engine.
Stop making these pointless threads.