I just did this hold on let me grab my answer rq then I can answer this
Answer: The Treaty of New Echota
Explanation: Negotiated in 1835 by a minority party of Cherokees, challenged by the majority of the Cherokee people and their elected government, the Treaty of New Echota was used by the United States to justify the forced removal of the Cherokees from their homelands along what became known as the Trail of Tears
One of the major outcomes of Polk’s expansionist policies in the Oregon Territory was that massive numbers of settlers rushed to the area in the hopes of starting new lives--leading to a great deal of political disorder.
What is the subject of this class ?
overcrowding, poor sanitation, spread of diseases, and pollution