As, by convention, the government is drawn from the party controlling a majority in the House of Commons, it can effectively decide what policies it wishes to implement and trust to its majority to ensure that its proposals become law.
Source: p 80, The English Legal System 2012-2013, Gary Slapper
1.5: trust to = [no object] Place reliance on (luck, fate, or chance):
I still can't differentiate this definition from just trust; what are the similarities and differences?
Must trust to must be used here? Why or why not?