By building teepees that suited their surrounding environment
Answer:
Total number of servings = 15
Explanation:
Total weight = 15 pounds
One serving = 1 pound
No of serving = Total weight / Weight of one serving
= 15 / 1 = 15
Before World War I, it would be Austria Hungary. If this pertains to World War II, I believe it would be Japan if I am not mistaken.
The best option from the list would be "Frederick Douglas" since he was a prominent abolitionist who had a wide-range of literary works published and had also been a slave.