1.To protect the country from external threats, handle relationships with other countries, process immigration applications.
2.Manage healthcare services, oversee public education system, manage transportation infrastructure.
3.Senate: To have a second discussion of the proposal made by the House of Commons.
the government general:Represent queen in Canada, and give royal assent to bills passed by Parliament.
speaker:Making sure that people could participate, and that manage the decipline during the procedure, interpret by the parliament