Which of the following most directly produced the territorial pattern shown?
- Acheck_circle
The Spanish-American War of 1898 and the Treaty of Paris.
- B
The Alaska Purchase of 1867.
- C
The Roosevelt Corollary of 1904.
- D
The Open Door Notes.
Explanation
The 1898 war yielded Puerto Rico, Guam, and the Philippines from Spain (Treaty of Paris) and a Cuban protectorate (Platt Amendment). Hawaii was annexed the same year amid wartime strategic concerns.