Answer:
to tell the reader about an important historical event.
Explanation:
The main reason for the author including this information in the passage was to tell the reader about an important historical event. The author is explaining that the current event taking place has never before happened in the history of civilization, therefore meaning that this current event is making history and will be remembered in the future as a significant historical event. Thus, carrying with it very high importance which the author felt was essential to include.
Open range,in U.S. history, the areas of public domain north of Texas where from about 1866 to 1890 more than 5,000,000 cattle <span>were </span><span>driven to fatten and be shipped off to slaughter. The open ranges of western </span>Kansas<span>, </span>Nebraska<span>, the Dakotas, </span>Montana<span>, </span>Wyoming<span>, and other western states and territories served as huge pasturelands for the herds of the Texas ranchmen.</span>
I'm not quite sure about my answer, so I may be incorrect, but I think the answer would be C.
I'm just going with my gut instinct right now, so I may be incorrect.
Mediation can lead to enlightenment is most likely Buddhism
social harmony is Confucianism i believe
top one might be Buddhism