Examine closely the 1st paragraph of the story. What is revealed here? What has Hemingway left out because “we already know it”?

From this passage, it is clear that president jackson believes the second bank of the united states

In the early 1900s, the national association for the advancement of colored people strongly urged the federal government to a) punish lynch mobs. b) overturn jim crow laws. c) limit integration. d) limit activist organizations.

How did isolationism affect foreign policy?