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>
Answer: I believe the correct word for these actions would be 'selfless'
Explanation:
Austria-Hungary had control over Serbia, but Serbia did not like that fact. A group of terrorist Serbians called "The Black Hand" assassinated Archduke Ferdinand of Austria-Hungary to assert their frustration over them. This started opening up some of the secret alliances, and Austria-hungary and Serbia went to war. Germany was allied with Austria-hungary at the time, so they joined the fight and declared war on Russia, one of Serbia's allies. Then Germany declared war on France, who had England backing them up. Finally, Germany sank of the United States's ships (actually multiple), thus causing almost all major countries to go at war with one another.
It could be ethier D or B but i think its D