Answer:
World war 1, 40+ Million people have died
World war 2, 60+ Million people have died
World War II has the biggest impact because it was the deadliest military conflict in history. It lasted from 1939 to 1945 and involved 30 countries from every part of the globe. World War II killed around 70 million people, or 4 percent of the world's population.
Step-by-step explanation: