There was no “South Iraq” that wanted American soldiers.
There basically was, though north not south. Kurdistan was functionally independent at the start of the Iraq War, but were under threat from the Saddam regime that previously waged some very brutal wars against them. Kurdistan very much wanted American soldiers, and the anniversary of American victory in Iraq is still a public holiday in Iraqi Kurdistan to this day.
And in fact south Iraq was and is dominantly Shiite (and thus also more susceptible to Iranian influence). They too revolted against Saddam after the first gulf war https://en.m.wikipedia.org/wiki/1991_Iraqi_uprisings and were euphoric about his fall
There basically was, though north not south. Kurdistan was functionally independent at the start of the Iraq War, but were under threat from the Saddam regime that previously waged some very brutal wars against them. Kurdistan very much wanted American soldiers, and the anniversary of American victory in Iraq is still a public holiday in Iraqi Kurdistan to this day.
And in fact south Iraq was and is dominantly Shiite (and thus also more susceptible to Iranian influence). They too revolted against Saddam after the first gulf war https://en.m.wikipedia.org/wiki/1991_Iraqi_uprisings and were euphoric about his fall