B. To dominate and control trade. Ever since travelers such as Marco Polo traveled to Eastern Asia in the 13th century, there has been a strong fascination and drive to develop trade and connections with Asia. Spices, Gunpowder, and Silk are examples of goods that were nonexistent to Europeans at the time. Having a control and influence over trade relations with Asian regions would allow colonization to be very profitable for the European countries who were able to do so.
The best option from the list would be that "<span>a. Modern terrorists have been largely successful in achieving their political objectives," since they rarely enact long-term change. </span>