Answer:
In simple words, Unlike WWI, which was battled in trench with machine weapons as well as biological weapons, WWII was conducted with modern weapons and equipment, with more aircraft, warships, vehicles, and submarine. During the war, special operations techniques, as well as atomic weapons and covert communications, were created.
Pretty sure it’s Adam Smith
Jefferson directed Meriwether Lewis to gather as much information as he could concerning the possibility of trade with merchants there, and during the winter of 1803-04 Lewis considered conducting a personal reconnaissance of the Indian route to Spanish country that led up the Kansas River.
