which of the following best summarizes president lincoln’s meaning in this last sentence of his gettysburg address?

"...that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion..."

President Lincoln is expressing that it is now the responsibility of those who are living to continue to fight for the same cause that the soldiers who died at Gettysburg were fighting for, and to honor their sacrifice by dedicating themselves fully to that cause.