It's really quite amusing.
The IWW was a real organization and a force in labor in this country for a couple of decades about 80 years ago. Several of its leaders were lynched. The Wobblies definitely talked about a brotherhood of all workers worldwide.
What is amusing is your denial of the plain record.
Is socialism isn't international today, it is because some of its proponents couldn't make work it worldwide. But they did try.
Walt