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>
Started the creation of railroads witch helped industrial revolution happen so fast
I dont know this one sorry
There are several ways in which the apostle Paul encouraged the spread of Christianity, but the main way was that he sent out missionaries.