Original sentence: However, several government unions (including one representing employees of the Postal Service) had declared strikes in the intervening period without penalties.In doing so, the union violated a 1955 law {5 U.In the 1980 Presidential Election, PATCO, the Teamsters and several other AFL-CIO unions departed from their usual practice of backing Democrats by endorsing Ronald Reagan.On August 3, 1981 the union declared a strike, seeking better working conditions, better pay, and a 32-hour workweek.PATCO Documentary: Causes and Legacies of the 1981 Strike in progress.} which banned strikes by government unions
Edited sentence: ) which banned strikes by government unions; however, several government unions (including one representing employees of the Postal Service) had declared strikes in the intervening period without penalties.In doing so, the union violated a 1955 law (5 U.Interestingly, in the 1980 Presidential Election, the union bucked the liberal traditions of unions in America by endorsing Ronald Reagan.Later, many speculated that the endorsement of the union was a terribly calculated move to shore up White House support for the impending strike.On August 3, 1981 when the union declared a strike, seeking better working conditions, better pay, and a 32-hour workweek.PATCO Documentary: Causes and Legacies of the 1981 Strike