The correct answer should be B. Party leader
The representative of the nation is of the people and the country, same with chief executive, while the commander in chief role is for the army. The party leader is for his/her own party.
Australia and maybe New-Zealand
An insurer must notify each certificate holder (employee) when the master policy has expired or is being cancelled. The insurer may take such action through the policyholder (employer).
I believe water is the answer here. Earlier built factories were formed near rivers way back when. They went to steam eventually, and electricity these days.
Answer:
A single member executive involves voting in an office holder to a body or organization with many members. The winner of the election takes all and it is also called a single winner voting.
The advantage of this system is that the representative and constituents are more bonded and it also increases accountability.
The disadvantage is that it only supports the popular people and there is also very limited positions to fill.