Answer:
C BECAUSE He centralized the government, strengthened the military, formed alliances with European countries, reduced taxes, encouraged industry, built a new capital, and supported culture.
Explanation:
Roosevelt: used military force to build the Panama Canal. The canal was a benefit for all countries that traded; Taft: Dollar Diplomacy increased American business; Wilson: Moral Diplomacy helped more stable leaders control Mexico.
No African leaders were available amid current limits of the nations of sub-Saharan Africa were resolved. The limits were chosen hundreds of years back by the pioneers of the European nations that vanquished the greater part of Africa. Hope it helps.