The EffectsOf WWI

The Mechanization of War•Mechanization: having

things done by machinery–Machines in factories mass-

produced guns, shells, and bombs very quickly–Machine guns changed the

way wars were fought

• Trench warfare: soldiers fought from ditches–Many people were killed–Very little land was gained

• New Weapons:machine guns poison gas airplanesSubmarinestanks flame-throwers

• Human costs:–30 million soldiers and civilians were killed or

injured• Nearly 13 million of these were civilian casualties!

A Changed World• World economies–Many nations’

economies were devastated by WWI–The U.S. economy grew very quickly

• Many people were forced to move–Some were refugees who fled from

war-torn areas–Some were deported as conditions of peace

treaties

Europe Before WWI After WWI

• Borders changed and new countries were created–Austria-Hungary and the Ottoman

Empire were broken up into smaller nations–German and Russian empires lost land–Yugoslavia and Czechoslovakia were

created in Eastern Europe