An example of the model of representation is a situation in which a legislator acts as though she or he has an electoral mandate on salient issues but looks after broader interests on complex issues.

Trustee model

Explanation:

Trustee is known as or referred to as the legal terminology which, in the broader sense, is known to be the synonym for an individual in the position of the trust and thus can refer to an individual who holds the property, the authority, or the position of responsibility or trust in order to transfer title of the ownership to another person.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.