This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
Answer: kinda..
explanation: He dramatically expanded the system of national parks and national forests. After 1906, he moved to the left, attacking big business, proposing a welfare state, and supporting labor unions. ... Roosevelt mediated the Russo-Japanese War (1904–1905), for which he won the 1906 Nobel Peace Prize.