(A) total committment
(B) all in
(C) ** to be made sacred or special
(D) committed to a particular course of action
EXPLANATIONS BELOW
Concept note-1: -So, here “dedicated” expresses how the country is founded, or based on an idea or ideal. “We have come to dedicate a portion of that field, as a final resting place for those who here gave their lives that that nation might live. It is altogether fitting and proper that we should do this.
Concept note-2: -1 devoted to a particular purpose or cause.
Concept note-3: -The idea that Lincoln emphasizes with the repetition of this word is the idea that the men who fought dedicated their lives to bettering this country, and uphold the ideals of the nation that were instated so many years ago.
Concept note-4: -Throughout the Gettysburg address, Lincoln uses the literary device of anaphora-the repetition of a word or phrase at the beginning of a series of statements. In this passage, Lincoln repeats “we can not” in order to drive home his point that Gettysburg has already been consecrated, by the dead rather than the living.