Final answer:
President Theodore Roosevelt did not always rely on military force in foreign policy. He negotiated the Treaty of Portsmouth to resolve a conflict.
Step-by-step explanation:
The action that shows that President Theodore Roosevelt did not always rely on military force in foreign policy is that he negotiated the Treaty of Portsmouth.
By negotiating this treaty, Roosevelt helped to resolve the Russo-Japanese War in 1905, earning him the Nobel Peace Prize. This demonstrates his willingness to use diplomacy and negotiation rather than military action.
Learn more about Teddy Roosevelt's foreign policy