The answer you are looking for is C. peaceful
The use of natural resources.
Deforestation.
Energy resources.
Oil and gas drilling.
Water resources.
Relationships between human activities and the surroundings.
Vehicle production.
Littering.
They removed existing rulers from the conquered lands to ensure they had direct control of their enemies' trade routes. They forced all the people they conquered to trade directly with them, increasing their wealth from the sale of additional goods. They took all conquered people as prisoners and forced them to work as slaves on public works projects. The tribute demanded from conquered peoples provided warriors for defense, as well as food and resources for their own people.
I would say a 1 because his presidency is known for a start for diplomacy with China, a slow ending of the Vietnam War, domestic acts (such as OSHA and Environmental Protection) and an era of peace with the Soviet Union (communist Russia).