题目内容：
根据以下材料，回答题Text 3
EmployeesoftheTaffValeRailwayCompanyinSouthWalesgreasedthetracksandcuttele-graphwiresduringabitterstrikein1900.ThenextyeartheHouseofLordsruledthattheirunioncould
besuedfordamagingthecompany.TheshocktotheunionmovementinspiredtheLabourPartyanda1906TradeDisputesAct,aimedatprotectingstrikersfromsuchpunishmentthrough
thecourts.
OnMay18thin2010,leadersofUnite,atradeunion,invokedthespiritofTaftValeafteracourtinjunctionstoppedathreatened20-dayseriesofstrikesbyBritishAirways'cabincrew,90percentofwhomareUnitemembers.Thejudgment,whichUnitecalledan"absolutedisgrace",hungonatechnicality:thattheresultsofthe
strikeballothadnotbeenrelayedcorrectlytoBAstaff.Theunionimmediatelyappealed,andonMay20thhadthejudgmentoverturned.SoforBAthestrikehadonlybeenslightlydelayed.
ThecourtsagaillustratestheunyieldingantipathyinthedisputebetweenWillieWalsh,BA'spunchychiefexecutive,andindignantcabincrewbackedbyaunionthatfacesfallingmembership.Itwas
triggeredlastyearbyBA'splanstoreducecrewnumbersonlong-haulflightsfromLondon'sHeathrowairport,butitisnowmainlyawarovertheairline'sthreatstodenydiscretionaryfreeflightsandotherperkstothosewhostrike.Mostoftheplannedoperational
changeshavebeenagreedupon,alongwithcompromises.Buttheanimosityisdoingaddeddamagetoanairlinealreadybesetbynegatives--fromvolcanicash,todwindlinglong-haultravelandloomingtaxin-creases.
Meanwhile,thelow-costairlineRyanairandeasyJetaresnappingatitsheels.Therecession,andthewaypassengertaxesaregradedbydistanceandstandardoftravel,havefavouredtheirshort-haul,no-frillsmodel.
MoreworryingforBA,however,isthetrendawayfromconventionalroutenetworksbasedonbighubstothead-hoclinkingofairportsbythelow-costairlines.Landingslotsatprimeairportsareexpensive.NewairlinetaxesbeingconsideredbyBitain'snewgovernmentmaybeappliedperplaneratherthanperpassenger,favouringthefuller
planesofthelow-costcompanies.In2012,aEuropeanemissions-tradingschemeistoreplacenationaltaxes:itwillpenaliselongerflightsandemptierplanes.
Thefuturemayindeedliewiththelow-costairlines,buttheywouldbefoolishtobetonunin-terruptedgrowth.SteliosHaji-Ioannou,thefounderofeasyJet,resignedfromitsboardonMay14th,criticisingitsplanstoadd59planestoafleetof189againstthetwinuncertaintiesofvolcanicashandtheeurocrisis.However,
withBAapparentlyfloundering,perhapsthisistheverytimetograbmarketshare.
The1906TradeDisputesActwasmeantto A．providealegalshelterforstrikers.
B．keepunionmovementsundercontrol.
C．protectcompanypropertyfrombeingdamaged.
D．preventTaffValeincidentfromeverhappeningagain.
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