Why did more soldiers die in World War I than in prior wars? The Treaty of Versailles was violated.
Resources from overseas colonies were unavailable to European powers.
The system of alliances broke down.
New technology made battle deadlier.

New Technology Made battle deadlier

Explanation:

This would be the most likely answer but most would say unsanitary conditions killed the most people in ww I but especially biological warfare also took a tole

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

president franklin roosevelt supported the tva as part of his first new deal measures approved by congress in 1933. this new agency was designed to control floods, produce electric power, and improve the lives of people living in the tennessee valley. the tva accomplished many of these goals despite problems.