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>
Answer:
A major policy of the German Nazi Party was Lebensraum ("living space") for the German nation based on claims that Germany after World War I was facing an overpopulation crisis and that expansion was needed to end the country's overpopulation within existing confined territory.
I believe the answer is: conducting research to learn about the social world
The research in sociology is usually done in order to uncover whether a certain situation created by society affect the lives of the smaller social group. Rather than relying only on the words from authority, it reveal the perspective of all people involved starting from the bottom of society all the way to the power holders.