The answer to this question is the ARCH and CONCRETE. Arch is
a curve structure that was used by the Ancient Romans. Arches have different
forms that produce vaults and arcades. While concrete is a composite material
that is formed by mixing of cement and by sand, gravel, or stones.
On the 29th of November 1864, 700 people in the Colorado Territory militia embarked on the attack of Cheyenne and Arapaho in the Indian Villages(s). The militia was led by the United States (U.S.) Army Colonel , John Chivington, he was Methodist preacher, as well as age group
The people of the United States
