Explain how WW1 was the turning point in world history.
20 Points for answering.

It was a major turning point because there were some battles in World War I that ended in stalemates and ended mobile operations on the western front until 1918

Explanation:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

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)