Day the Germans invaded Belgium

Ludendorff offensive of

British naval blockade established in

German agricultural production fell by X% in some areas

Money (%) spent on military respective civilian sector in Germany and GB

Amount of money spent on the war: Germany, Britain, France

Number of Germans that had died due to starvation by March 1918

Lusitania sunk on (day, month, year)

Number of Americans that died on Lusitania

Unlimited submarine warfare limited in X (month, year) and reintroduced in X (month, year)

Zimmermann telegram sent on

US enters war (day, month, year)

By XXXX US troops were arriving at a rate of X per month