Answer: sieges

AnswerCrossword Clue
SIEGESProtracted campaigns
SIEGESBoring periods: Colloq.
SIEGESBlockades.
SIEGESProlonged troubles.
SIEGESProlonged woes
SIEGESEvents at Troy and Vicksburg
SIEGESLong, wearying periods
SIEGESBouts
SIEGESFort-capturing operations
SIEGESProtracted battles
SIEGESLong fights
SIEGESSome war plans
SIEGESWearying times: Colloq.
SIEGESDrawn-out war campaigns
SIEGESLong battles
SIEGESMajor assaults
SIEGESSeries of troubles
SIEGESTactics at Troy and Vicksburg
SIEGESEncirclements, of sorts
SIEGESMuch medieval warfare
SIEGESDrawn-out campaigns
siegesthe surrounding of a fortified place to force its surrender
siegesSIEGE, to attack and surround, also BESIEGE
siegesprolonged period of troubles
SIEGESExtended attacks
SIEGESProlonged attacks
SIEGESBlitzes
SIEGESLengthy military attacks
SIEGESMilitary attacks
SIEGESAll-out attacks
SIEGESDrawn-out war tactics
SIEGESMilitary blockades
SIEGESLengthy assaults
SIEGESIsolating tactics
SIEGESMilitary encirclements
SIEGESOnslaughts
SIEGESTakeover attempts
SIEGESFortified attacks
SIEGESBlockades
SIEGESGeneral concerns