World Wars were total wars because they employed all possible ways of fighting the war and put taking care of civilians as less important than winning. The wars included aviation and bombing, naval warfare, land warfare, infantry, tanks, all possible types of weapons, and pretty much whatever was available at the time.
Why Was The Bay of Pigs Invasion A Failure? The first part of the plan was to destroy Castro's tiny air force, making it impossible for his military to resist the invaders.