Owen has been studying the Middle East in his 6th grade social studies class. He learned that the United States invaded Afghanistan because it was believed that Afghanistan was harboring terrorists. The word underlined in the sentence above is best defined as .
A.

feeling a sense of anger after being treated poorly
B.

taking preventative actions before others can act
C.

knowingly hiding a person or group accused of a crime
D.

spreading Islamic values throughout a region

Please select the best answer from the choices provided
A
B
C
D