The United States would have a near revolt on its hands if, in 1861, randomly invited 200,000 Japanese soldiers to march through the West. The Japanese Government would be in turmoil too, as they were still hyper-sensitive of outsiders at this time.
And you may note that has not happened yet, all the game says is "regulars are being prepared". Let Perth run his game. He's doing a great job up to now.
