It could have been because their ammunition racks were protected by Water jackets, to prevent fires in the ammunition racks from spreading and potentially causing detonation
The gilding age led to rapid economic growth in the 20’s, known as the roaring 20’s which would help build America into the free capitalist country it is today.
The practice of vertical integration contributed most to Andrew Carnegie's ability to form a monopoly. Vertical integration is a process of combining different stages of production such as manufacturing, supplying, distributing, retailing, etc, under the umbrella of one company.
The conflict, fought between June and October 1877, stemmed from the refusal of several bands of the Nez Perce, dubbed "non-treaty Indians," to give up their ancestral lands in the Pacific Northwest and move to an Indian reservation in Idaho.