Answer:
The ruling of the case "Brown vs the Board of Education" is, that racial segregation is unconstitutional in public schools.
When Thomas Paine wrote about reconcillation, he is referring to the colonies staying peacefully connected with Great Britain. This is in his writing or book, "Common Sense".
The answer or the missing phrase in your sentence is the second statement or choice.
Some factors of the Great Depression were the burst of the 1920s credit bubble in the United States as well as the overinflated investing market during the same decade. It helped cause WW2 by radicalising Germans (really by the Nazis) against the rest of the world who they already blamed for their troubles during the 20s.
<span>subdue his environment</span>