Access to cultural homelands has been gradually reducing due to land development.
Explanation:
Through the past 200 years or so, the cultural access to Native American homelands has been gradually decreasing because of land development, so the culture and history has also been fading slightly.
In Roosevelt's address, he wanted to assure American citizens that they would persevere through the Great Depression. What rhetorical device does Roosevelt use to convince Americans?
He uses repetition to emphasize America's distress.