Answer:
D: To claim new lands for their country
Explanation:
The American Red Cross would have provided the greatest opportunity.
Over 22.000 Red Cross nurses were enrolled to support the armed forces medical corps.
As well, several thousand women volunteers worked overseas in a variety of jobs aside from nursing like nurses'aides, canteen workers and support workers helping sort and distribute Red Cross parcels destined for the troops.
It freed serfs who had been bound for the land for ten or more.
