Beringia was a land mass that once linked Siberia and Alaska.
A main objective of the progressive movement was to try to eliminate problems caused by industrialization. Because of all of the pollution and deforestation they wanted to try to preserve nature.
I think there some very wise words it implies that hating or showing negativity towards somebody who is striving and chasing their goals wont get you any closer to your goals it doesnt just apply to me but us humans in a whole.
<u>Answer:</u> D. National Origins Act