Explanation:
While WWI was fought in the trenches and used machine guns and poisonous gas, WWII was fought using modern artillery and machines utilizing more airplanes, ships, tanks, and submarines. Special operations methods were also developed during this war together with atomic missiles and secret communications
Anger and the bitterness helped the nazis to gain more support. hitler, he was a great speaker. the moderate political parties would not work together . hitler was given a power in a seedy political deal by hiddenburg and pipen. german people were still angry about the treaty of versailles and supported hitler because he promised to overturn it.
The assassination of Franz Ferdinand is what started WW1, which was done by Serbian rebels, but the county was Austria-Hungary. The two nations that escalated the conflict was Russia, who supported Serbia, and Germany, who supported Austria.