What caused more soldiers to die in World War I than in any previous war?
alliances

the Great Depression

technology

nationalism

How did agitators on both sides of the slavery issue make things worse? by putting out bounties on certain peopleby committing murderthrough their writingsby compromising on too many things

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

The threat of foreign intervention to restore louis xvi to the throne caused the french revolution to ?