Which military leader used the strategy of “total war”?

To them, Sherman's devastating march through the South opened the way to the kind of warfare that culminated in World War II. Called total war, it goes beyond combat between opposing military forces to include attacks, both deliberate and indiscriminate, upon civilians and non-military targets.

Explanation:

#2 the answer is d

#3 the answer is a

#4 the answer is b

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)