In this task, you will be given a passage to read. A fill in the blank question will be given to you. Your answer should fit the blank appropriately.

Encouraged by the news of the uprisings , Madero crossed the border back into Mexico in February 1911 . He was joined by Pancho Villa and Orozco and in April the army began approaching Ciudad Juarez . Orozco and Villa led the way with 500 men each , while Madero followed up with 1 @,@ 500 riders . The city was besieged by the end of the month , after Madero 's army encountered some resistance in the Chihuahuan countryside . Madero asked the commander of the city 's garrison to surrender but the latter refused , hoping that the fortifications he had constructed would allow him to defend the city until reinforcements arrived . Concerned also with the possibility that a direct attack on the town would cause artillery shells to cross the border into the United States which could provoke an outside intervention , and faced with a series of peace proposals from Diaz , Madero hesitated in attacking the city . He in fact ordered his commanders to lift the siege . Orozco , however disregarded the order and , joined by Villa , attacked . After two days of fighting the city fell to the insurrectionists . Madero intervened personally to spare the life of the city 's commander , Gen. Navarro , whom both Orozco and Villa wanted executed for his previous killing of rebel POWs . This , coupled with the fact that both leaders were ignored by Madero in his political appointments , outraged and estranged them from him . fill in the blank : Encouraged by the news of the uprisings , __________________ crossed the border back into Mexico in February 1911 .
Madero

The title track and the song have received various cover interpretations , particularly on Slayer tribute albums . Toni Ferguson recorded string quartet adaptations of both tracks on the album The String Quartet Tribute to Slayer : The Evil You Dread , with the former cover being described as having by AllMusic 's Johnny Loftus . 1995 Slayer tribute album Slatanic Slaughter featured three tracks which originally appeared on South of Heaven , with the title track , Mandatory Suicide and Spill the Blood interpreted by Cemetary , Crown of Thorns and Grope respectively . Its 1998 follow up Slatanic Slaughter , Vol . 2 only featured two tracks originally from the album ; namely Silent Scream arranged by Vader and Read Between the Lies interpreted by Anathema . 1999 's Straight to Hell : A Tribute to Slayer collected four Slayer renditions which originated on the album , with versions of South of Heaven performed by Abaddon ( Venom ) and Electric Hellfire Club , Mandatory Suicide cut by Chapter 7 and Behind the Crooked Cross adapted by Gigantor . 2006 Argentine tribute album Al Sur Del Abismo ( Tributo Argentino A Slayer ) saw Nafak and Climatic Terra also respectively cover South of Heaven and Mandatory Suicide . Hatebreed covered the song Ghosts of War for their 2009 cover album For the Lions . They released a music video for it also . Korn has covered the title track at least twice live , once with Kid Rock on vocals and another using the intro to follow into one of their songs live . fill in the blank : The title track and the song Mandatory Suicide have received various cover interpretations , __________________ on Slayer tribute albums .
particularly

The synthesis of aziridines from imines is another important application of the Johnson Corey Chaykovsky reaction and provides an alternative to amine transfer from oxaziridines . Though less widely applied , the reaction has a similar substrate scope and functional group tolerance to the carbonyl equivalent . The examples shown below are representative ; in the latter , an aziridine forms in situ and is opened via nucleophilic attack to form the corresponding amine . fill in the blank :The synthesis of aziridines from imines is another important application of the Johnson Corey Chaykovsky reaction and provides an __________________ to amine transfer from oxaziridines .
alternative