I believe the answer is primary.
The correct answer is economist!
let's look at the other options:
anthropologist: studies people, their cultures and history for example
2) sociologists: studies society and the interaction of people in the society
4) political scientists study politics: political parties and international relations
Economists study markets and human behavior as buyers and sellers, and supply and demand!
For other Muslims, Alqaeda create challenges<span> express disagreement with the US and Europe while still disapproving of the use of terrorism (moderate muslims believes that bombing other people simply because of different view couldn't be considered as jihad)
For Americans, Alqaeda create </span><span>challenges to distinguish peaceful but unfamiliar principles in Islam from the misuse and abuse of Islam by terrorists.
This cause many people in western civilization to put all member of the religion into one basket and discriminate the people who actually want to create peaceful relationship with other culture.</span>
Shape profit orientations, agenda set, and amount of hard news offered.
Most of the time the important news is not given due prominence by preference on issues that can generate more profit, this causes the vision of society to change, and that we do not become more capitalist and thus observing in many moments only what generates the most. Profit is less what effect matters to society.
When the news of a celebrity buying new clothing is more important than the disasters that have happened in china, for example.