To which of the following events was president lincoln referring when he stated, “four score and seven years ago our fathers brought forth on this continent, a new nation . .”?

The Hay copy, which includes Lincoln's handwritten changes, also is owned by the Library of Congress. Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.

Explanation:The Hay copy, which includes Lincoln's handwritten changes, also is owned by the Library of Congress. Four score and seven years ago our fathers brought forth, upon this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal.

d.

many people believed they were convicted solely because they were anarchists.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.