Rusesabagina said it was a quest for power and a fear of difference that motivated the massacre of the Tutsi's by the Hutu's in Rwanda in 1994 (like the Nazi holocaust) and the deaths of 800,000 Tutsi's could have been prevented if the UN peace keeping mission's pleas for support to disarm the Hutu's (as chronicled by Romeo Dallaire) had been acted upon.
Answer:The entire ride is the complete subject of the sentece. This implies all the words that describe who or what is the sentence is about. In this case, the action is take and we know that is about the ride, so the subject is ride.