Among the choices posted, the best and only sensible answer is: the search for food items. The Asians who crossed the Bering Strait did not need to spread religion, to bring slaves from Africa nor the desire to conquer new peoples.
D, the article gave citizens new rights
APEX says A
<span>Because it would cause conflict between the British visitors and the Chinese residents</span>
<span>Economic, social and political structures differed significantly between the two regions, and these disparities only widened in the 1800s. In 1861, the Civil War erupted between the two sides, and much of the conflict surrounded sectional differences. Once the war ended, reconstruction lessened some sectional disparities but increased others.</span>