According to the supreme court why is the indian removal act unconstitutional

The Indian Removal Act is a law passed in 1830 that authorized the President of the United States to negotiate with Indian Tribes for their relocation to territories located west of the Mississippi River in exchange for the lands they were currently settled in.

However, this led to an attempt from many private entities and individuals to purchase land from Native Americans. This led the Supreme Court to adopt a stance of prohibition towards these attempts. The first case in which they ruled against an eventual purchase was in Johnson v. M'Intosh in 1823.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.