When Japan opened some if its ports to foreign trade their long history of isolation ended. So basically, their isolation (or Japanese isolationism) is what ended.
World War II
Though I do not specifically know the president that suggested it, or if it ever has been, I believe that I saw on Merriam Webster that the first implementation of isolationism was in 1922, therefore Washington wouldn't have suggested it. Anyways, Washington didn't suggest it.
Japan tried to built it's own modern navy before Perry's return
not sure but depression
treaty of kanawaga
World War 2.
The Harris Treaty ended Japan's isolationism. However, it was not negotiated by Commoder Perry. It was negotiated by Townsend Harris.
treaty of kanawaga :))
When Japan opened some if its ports to foreign trade their long history of isolation ended. So basically, their isolation (or Japanese isolationism) is what ended.
Isolationism
World War II
Isolationism and non intervention
Japan ended its policy of isolationism and began modernizing.
Truman Doctrine signaled America's post war embrace of global leadership and ended its longstanding policy of isolationism.
Isolationism
Isolationism grew out of xenophobia.