¿Por qué es posible afirmar que la primera guerra mundial cambio la forma de percibir conflictos armados?

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Explanation:

but I'll just type what they said

USername: kh4364582

"Because it was the first war that featured innovative technological advances. Thanks to mechanized weapons, the powers were able to perfect and design weapons of great destructive capacity. One of the innovations was weapons made with toxic gases and chemical agents. There was also a modernization in the artillery and transport systems, for the first time they used airplanes. This genre that the war was even more crude than others, since there are new weapons that can be too lethal, so the casualties must have been many."

answer is :

many churches split during the movement.

new religions grew in popularity.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.