Ill gelp you but what do u mean by what demands
Answer:
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.
By discovering nuclear energy
Impeding - to delay or prevent by obstructing it/them.
so your answer is B. Obstructing; slowing down.
