In 1917, Germany, determined to win its war of attrition against the Allies, announced the resumption of unrestricted warfare in war-zone waters. Three days later, the United States broke diplomatic relations with Germany, and just hours after that the American liner Housatonic was sunk by a German U-boat.
France controlled the purple areas.
Because food, materials, and money were being used for the war, so they had to even it out to spend it where they needed it most.
The answer would be seed because it's a non living thing
The greatest explanation for the overall low MMR (Maternal Mortality Rate) of industrialized nations is that these nations have higher GDPs--meaning that more money can be spend on things like healthcare and social "safety nets" for the poor.