It was after world LL when the economy crashed. many recognize it as the stock market in NY crashing , but it's actually affects places all around the world .Main reasons for this great depression are. 1. the increasing debt to fund the war. 2. the higher demands on crops and and product and putting many farmers out of business. 3. The unbelievable lowered price on everything.
I think they took over 3 continents France, Switzerland, and Istanbul
This sounds like Buddhism
First Air-plane invented in 1903