Answer:
1. US President William McKinley announced his desire for a policy that would allow countries equal access to trade with China. In effect, there'd be an “open door” to Chinese trade, and one country couldn't close the door to another country.
2. President William Howard Taft and Secretary of State Philander C. Knox followed a foreign policy characterized as “dollar diplomacy.”
3. President Woodrow Wilson's idea that the United States' moral responsibility was to deny recognition to any Latin American government that was viewed as hostile to American interests.
4. President Theodore Roosevelt's assertive approach to Latin America and the Caribbean has often been characterized as the “Big Stick,” and his policy came to be known as the Roosevelt Corollary to the Monroe Doctrine.
Explanation: