"'A 3 percent remedy' for our immigration ills, real or fancied, will restrict the admission of aliens from May of this year to June, 1922, to 3 percent of the total of each nationality in this country when the Federal census was taken in 1910. As passed by the house, and expected to pass the Senate, the new measure, except for the time limit, is identical with the Johnson Bill passed in the last session of Congress and killed by pocket-veto of President Wilson."
Quoting an uncredited journalist from THE BALTIMORE SUN, the article pointed out that the bill had strong backing:
"It is supported by certain organized labor men as a means of limiting the labor supply; it is supported generally by what remains of the old Know-Nothing element, on the ground that any pretext of keeping out the foreigner ought to be embraced..."
Another article about labor and immigration policy can be read HERE.