<span>Europeans wanted to explore because trade with Asia had become more difficult and expensive. Merchants wanted to find a cheaper trade route. New navigation technology, such as the compass and astrolabe, as well as better ships and advances in cartography, allowed Europeans to begin searching for a new trade route.</span>
The Cold War touched many aspects of American social and cultural life, from the civil rights movement to survivalism, from Hollywood to the universities. The nuclear threat—and the Communist menace lurking behind it—brought the National Defense Education Act, the interstate highway system, and growing mistrust of government by both liberals and conservatives. In ways sometimes blatant, sometimes subtle, the Cold War left its mark on activities ranging from art and poetry to movies and comic books. Sports events became particularly prominent venues for rivalry, beginning with the London Olympics in 1948 and peaking every fourth year thereafter. Visiting artists, traveling exhibitions, and other cultural exchanges, both formal and informal, sometimes helped ease Cold War tensions.
The tax system was abolished and this was true about Chandragupta's rule of the Mauryan Empire. The correct option among all the options that are given in the question is the last option or the fourth option. Chandragupta was actually the founder of the Mauryan empire and it flourished greatly.
