Question

In what way did Theodore Roosevelt greatly influence America's change from isolationism?

The United States became allies with Japan in the Russo-Japanese War.
Roosevelt made tremendous improvements of forest conservation in the United States.
He participated in world-wide events, like the Panama Canal and international peace settlements.
He was the leader when the United States was an industrial and agricultural success.

Answer 1

He participated in the worldwide events, like the Panama Canal and the international peace settlements.

Answer 2

C. He participated in worldwide events, like the Panama Canal and international peace settlements.