4. The phrase "by military conquest, treaty, and purchase" best describes the

A. steps in the growth of American industry
B. methods used to expand the territory of the United States
C. major parts of President Woodrow Wilson's Fourteen Points
D. causes of the United States entry into the Korean War



Answer :

Final answer:

The expansion of the United States through military conquest, treaties, and purchases significantly influenced its emergence as a world power.


Explanation:

Expansion of the United States involved various methods such as military conquest, treaties, and purchases. These methods allowed the nation to acquire territories both domestically and overseas, influenced by Manifest Destiny.

One significant example is the Mexican-American War, initiated by President James K. Polk's actions, which led to the acquisition of vast territories in the southwest United States.

Overall, the United States' territorial expansion through these means played a crucial role in its emergence as a world power and significantly impacted its history.


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