Both "i will fight no more forever" and "the school days of an indian girl" readers to understand the ways in which the expansion of the united states in the nineteenth century unified and strengthened different native american tribes

''... Native Americans cultures, and traditions were weakened in the 19th century''

Explanation:

"The School Days of an Indian Girl" was written by Zitkala-Sa(who is also known as Gertrude Simmons Bonnin). Zitkala-sa shares her experiences of attending a missionary school when she was much younger. The missionary school is a boarding school for native Americans.

"I Will Fight No More Forever'' is a story Based and focused on the fear of Nez Perce Native American leader; Joseph. Joseph made a decision to defy the United States of America government. The United State of America government demanded that the Native American leader relocate himself and also his tribesmen from their territory to a smaller reservation in a place called Idaho.

Both "I Will Fight No More Forever" and "The School Days of an Indian Girl" help readers to understand the ways in which  Native Americans cultures, and traditions were weakened in the 19th century.

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"

a) it is located in central mexico.