Sentence:  They alleged that, as soon as the Opium Commission was appointed, the various anti-opium organisations began to be extremely active and a determined campaign was carried on against the use of the drug by the circulation of a mass of anti-opium literature and the <WSD>broadcast</WSD> distribution of handbills and pamphlets. 
Meaning of the word marked with <WSD> tags:  (omnidirectionally) Cast or scattered widely in all directions; cast abroad.