What is a General Strike (and why did the U.S. outlaw them)?

Is it time for a General Strike yet?

KCTS 9 - History Making: General Strike

Town Hall Goes Nuts For Democrat's "General Strike" Endorsement

4th May 1926: General strike of 1.7 million workers begins in the United Kingdom

Could America Have A General Strike Like France? | The Class Room ft. @AliceCappelle

Labor Leader Has the ANSWER for Launching GENERAL STRIKE