The was passed to offset some of the imbalance of power given to labor unions by previous laws and included a list of unfair practices by unions.

National Labor Relations Act of $1935($NLRA$--$Wagner Act$)$

Railway Labor Act of $1926($RLA$)$

Labor Management Relations Act of $1947($LMRA$--$Taft$-$Hartley Act$)$

Worker Adjustment and Retraining Notification Act of $1988($WARN$)$