Calvin Coolidge actually said...

The impression that struck me more than anything else was rather of a patriotic impression, an apparent general satisfaction with conditions...

That is the only purpose that America ever lands any Marines on foreign soil and they would have no other purpose in the present situation.

I know that we have some war vessels in the harbor at Shanghai, and I think one or two others on the way there.

Though we know—I know of nothing serious that has happened to any American citizens or any American property, but on account of the disorder...