In 1860, you could only go as far west Omaha, Nebraska.
During the drafting and creation of the Declaration of Independence, The 13 colonies (The United States) and Great Britain were at war, which is known as the American War of Independence. The political idea that is expressed in the Declaration of Independence is that all men are created equal. (except for women (19th Amendment) and African American Slaves (13th amendment))
I think the last option might be right too
Corn accounted for the size and sophistication of the Native American civilizations in Mexico and South America by molding the Pueblo culture in terms of its technology and development. This includes the development of irrigation systems in order to water their corn fields.
Answer:
Shared information, increased resource use, and organized government limited resource use.
