If they had maybe, but the jet fighters they built ran out of fuel too fast for them to actually accomplish anything.......
The US, Britain, Germany, France, Russia, Italy, Sweden, China, India, and possibly some other built original jet fighters. Canada, Japan and some others built fighters under licence.
One of the most tiniest fighters ever built, the Messerschmitt 109, because of it's small size, Germany was able to produce over 33,000 of them.
ThyssenKrupp of Germany bult the "Bagger 288".
In Germany Berlin was located in North east Germany
Maginot Line
The wall was built to stop migration from East Germany to West Germany.
First flight 1981 to last in 2008 a total of 64 were built. 59 were designated fighters with 5 demostrators. With one confirmed kill.
The main Plant, where the 911 and 987 (Boxster) models are completely built is in Zuffenhausen (part of Stuttgart, Germany). Parts of the The Cayenne SUV are first fabricated in Volkswagens Bratislava (Slovak republic) plant, but it is assembled in Porsches new plant in Leipzig (Germany). The earlier 987 (Boxster) models were built by Valmet in Finland.
Germany
At least 30,000 Me-109's were built.
It was built to replace an earlier temple to Athena that had been destroyed by the Persian army.
The Great Sphinx of Giza was built earlier than 7000 B.C.