What is the purpose of Lincoln’s speech need help will mark Brainliest

At first the purpose of Lincoln's speech was to dedicate a plot of land that would soon become Soldier's National Cemetery. But he realized that he had to continue to inspire the people to keep fighting and not to lose hope.

Explanation:

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;