In the meantime, the state of affairs was not that of a truce but of a ____________.

The word ‘truce’ means ‘or an agreement to stop fighting or arguing for a period of time’. So, a word that is opposite to this is correct. The word ‘stalemate’ means ‘a situation in which neither group involved in an argument can win or get an advantage and no action can be taken’. It is correct here. Galvanise- to cause someone to suddenly take action, especially by shocking or exciting them in some way. Unanimous- in complete agreement or showing complete agreement. Invasion- the act of entering a place by force, often in large numbers.