How did the United States extend its interests in Asia and the Pacific?

We owned the Philippines. Plus -- we controlled a group of Pacific islands that later became a U.S. state.

Note the U.S. controlled islands on this map.

http://www.infoplease.com/atlas/pacificislandsandaustralia.html

To understand how the United States extended its interests in Asia and the Pacific, we need to analyze the historical context and key events that shaped its engagement in the region. Here's a step-by-step explanation of how you can approach this question:

1. Start with background research: Begin by understanding the broader historical context, especially relevant events and developments that pushed the United States to expand its interests in Asia and the Pacific. This could include America's perception of Manifest Destiny, the concept of expanding westward, and acquiring new territories in the 19th century, as well as the Monroe Doctrine and the desire to protect American trade and influence in the region.

2. Focus on specific time periods: Narrow down your research to specific periods or events when the United States actively sought to extend its interests in Asia and the Pacific. For example:
- Late 19th century: Research the motivation behind the Open Door Policy and the Spanish-American War, which led to the acquisition of territories like the Philippines, Guam, and Puerto Rico. This marked America's initial expansion into the Pacific.
- Mid-20th century: Dive into the aftermath of World War II, which saw Japan's defeat and subsequent occupation by the United States. Look into the pivotal role played by the United States in post-war reconstruction and the establishment of democratic governments in Japan and South Korea.
- Cold War era: Examine how the United States engaged in the containment policy against communism, particularly during the Korean War and the Vietnam War. This involved supporting anti-communist governments and military interventions to protect American interests and maintain regional stability.

3. Explore economic interests: Investigate the economic factors that influenced the United States' expansion in Asia and the Pacific. This could include the quest for new markets, access to natural resources, and trade routes. Research the impact of several initiatives like the Marshall Plan, which aimed to rebuild war-torn economies, as well as the creation of economic alliances such as the Association of Southeast Asian Nations (ASEAN) and the Asia-Pacific Economic Cooperation (APEC).

4. Consider political and military alliances: Look into the United States' efforts to establish political and military alliances in the region. For example, research the formation of bilateral defense treaties with countries like Japan, South Korea, Taiwan, and the Philippines. Additionally, examine the creation of organizations like the Southeast Asia Treaty Organization (SEATO) and the presence of American military bases, such as those in Okinawa.

5. Analyze diplomatic initiatives: Examine the United States' diplomatic efforts in Asia and the Pacific, such as its role in mediating territorial disputes, promoting peace treaties, and engaging in multilateral forums like the United Nations. Research significant events like the normalization of relations with China and the diplomatic approach towards North Korea's nuclear program.

By following these steps, you can gain a comprehensive understanding of how the United States extended its interests in Asia and the Pacific, allowing you to answer the question in a well-informed manner.