Answer:
The Spoils System, I believe, not 100% sure tho, lol :P
Mostly, the Europeans dominated because their numbers or military technology and organization were superior.
Considering the alternatives, the only alternative that represents any sort of military power being evolved with it is:
d. They built infrastructure to keep military units traveling and intimidating the locals.
Also, the British and other countries did build many railroads in Africa.
Still, while women were highly valued participants in Mongol society, they still held less rank than their fathers, husbands and brothers. Work was divided between men and women; the men handled the herds and went to battle, and women raised the gers, made the clothes, milked the animals, made cheese and cooked the food. Men and women raised their children together. Children of the Mongols did not attend a school; rather they learned from their families the roles and work of men and women. Mongol children had toys and played games, much as children of any culture.
the way United States maximize industrial output during the war was: It exempted some workers in wartime industries from the draft.
During the war, many men were obligated by law to contribute their service to the country. Those that are not physically capable to be a soldier tend to be exempted and required to contribute to other sectors of the war. One of them was as workers in war-related industries.
Answer: Water sources and pesticides/ herbicides use
Explanation: