There were several reasons why Roosevelt advocated big stick diplomacy for the United States:
1. Rapid industrialization and territorial expansion of the United States: The United States underwent a period of rapid industrialization in the late 19th century. This led to a growing economy, increasing trade and the acquisition of new territories, such as the Philippines, Puerto Rico, and Cuba. With these expansions came the need to protect American interests and investments in these regions.
2. Protecting the Panama Canal: Construction of the Panama Canal started in 1904, and the United States was heavily invested in the project. Roosevelt believed that by projecting a strong military presence in the region, the United States could protect its interests in the canal and ensure its completion.
3. Roosevelt's belief in America's role in global politics: Roosevelt believed that the United States should play a more active role in international affairs. He was particularly concerned about the growing influence of European powers in Latin America and Asia. Roosevelt believed that a strong military would help maintain the balance of power and prevent any single country from becoming too dominant.
4. Encouragement of foreign policy decisions for the national good: Roosevelt argued that the United States had the responsibility to intervene in the affairs of other nations when necessary for the greater good. He believed that the United States should use its influence to promote democracy, human rights, and economic development.
Roosevelt's big stick diplomacy was a controversial policy, and it was criticized by some as being too aggressive. However, it was successful in protecting American interests and maintaining the balance of power in the world at a time of significant change.