They didn't, they used gas which was against international law.
I think the most significant cause of World War one was the assassination of the Archduke Franz Ferdinand. The other causes of the war was Imperliasm, Militarism, Nationalism and Alliances that were formed.
The government would provide all farm-workers with jobs. A classes society would come after a brief proletariat dictatorship .
Answer:
It is generally taught in the schools that Lichcchavi (लिच्छवी) Period was the Golden Age because of the art and architecture, culture and language, and the socio-political structure the Lichchhavi kings brought. This highly undermines the contribution of the Kirat kings.