Answer:
The construct the Panama Canal and ending the Russo-Japanese War.
Step-by-step explanation:
The United States during the Presidency of Roosevelt gained more influence by using its power in Latin America and assisting in foreign negotiations.
The United States decided to build the Panama canal across Central America to connect the Atlantic Ocean and the Pacific Ocean. President Theodore Roosevelt decided to build the canal to make America stronger in navy power.
Roosevelt was able to keep the United States out of military conflicts by employing the legal warning of force by bringing negotiation with Japan during the Russo- Japanese war.