Due to the fact that it is a historical document. Just like the liberty bell isn't repaired. The fracture in the bell is historic as is the document.
Generally speaking, westward migration had a very negative impact on the Indian's way of life, since a large majority of Natives were either displaced from their homes or killed in order to make way for white settlements.
Hull House was a settlement place co founded by 1889 by Jane Addams and Ellen Gates Starr.
If my memory serves me well, sharecropping most often harm African American sharecroppers.
90% is the percent of Jews.