Answer:
D the ottoman Empire
Explanation:
led by Mehmad II they defeated The Byzantine Empire
A. Unskilled will be best answer
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.
The government will capture them and test them for example nasa