How were the years after world war 2 similar to the years after world war 1

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.

answer; i believe that the correct answer is (d); //declaration of independence; plz check first good luck