Sentence:  By the end of nineteenth century the <WSD>attentat</WSD> clause became a general exception in making of extradition treaties. The 1933 Montevideo Convention on Extradition by its Article 5 incorporated the exception in nature of <WSD>attentat</WSD> clause in the general protection against extradition, already made available to the political offenders under Article 3(2). 
Meaning of the word marked with <WSD> tags:  An attempted assault or assassination of a political figure; a politically motivated attempted assault.