Lincoln's Gettysburg Address was given to a. campaign for new weapons
b. honor soldiers who died in battle
c. end the Civil War
d. give the right to vote to freed slaves

b. honor soldiers who died in battle

Explanation:

Lincoln's main purpose was to urge everyone to honor those who had died at Gettysburg by striving to maintain the kind of nation imagined by America's founders. President Lincoln delivered the Gettysburg Address on November 19, 1863.

a big one is

to appoint and regulate officers of the land and naval forces,

which caused much controversy ending the articles