 Ramba uchiverenga ndima iyi - Kupinda kweGermany muFrance kwakamiswa paHondo yeMarneuye pakupera kwa1914, Western Front yakagara muhondo yekupera simba, yakaratidzirwa neyakareba nhevedzano yemitsetse yemakomba yakachinja zvishoma kusvika muna 1917 Eastern Front, mukupesana, yakaratidzirwa nekutsinhana kukuru kwenharaunda. Muna 1915, Italy yakabatana neAllied Powers ndokuzarura hondo muAlps. Bulgaria yakabatana neCentral Powers muna 1915 uye Girisi yakabatana neAllies muna 1917, ichiwedzera hondo muBalkans. United States pakutanga yakaramba isina kwayakarerekera, kunyange zvazvo kunyange apo yakanga isina kwayakarerekera yakava mupi anokosha wezvinhu zvehondo kuvaAllies. Pakupedzisira, pashure pokunyura kwezvikepe zvokutengeserana zveAmerica nezvikepe zveGermany zvomugungwa, kuzivisa kweGermany kuti ngarava dzayo dzehondo dzaizotangazve kurwisa kusina kuganhurirwa pamhenderekedzo dzomugungwa dzisina kwazvakarerekera, uye kuzivisa kuti Germany yakanga ichiedza kunyandura Mexico kuti itange hondo neUnited States, US yakazivisa hondo kuGermany musi wa6 April 1917. Mauto akarovedzwa eAmerica haana kutanga kusvika pamberi munhamba huru kutozosvikira pakati pa1918, asi American Expeditionary Force pakupedzisira yakasvika varwi vane mamirioni maviri. 