I believe the answer is:
<span>to reveal past contributions of civilizations
to connect the past to the present
to recognize patterns
By knowing all the things above, future society could learn from the past society and started to make efforts to prevent the bad decision that made in the past from reoccurring. This would help the society to continue developing without facing unnecessary setbacks.</span>
A. To acquire land so they could build and grow
Answer:
A creeping bombardment, first used at the Battle of the Somme, involved artillery fire going forward in phases only ahead of the advancing infantry. ... To work, both the heavy artillery and the infantry required correct timing of the tactic. Failure to do this would result in their own troops being killed by artillery.
He wanted it to be used against Japan.