<span>Reformers in the U.S. adopted aspects of the Prussian education system, such as compulsory schooling and grade levels. </span>
Answer 1:
The Concert of Europe refers to a general consensus among the Great Powers of 19th-century Europe to maintain the European balance of power, political boundaries, and spheres of influence.
Answer 2:
The old traditional empires stretched over continents gave way in Europe to the nation-state. Change was coming.
The colony was the source of their livelihood
They saw plessy v Ferguson as that the were "separate but equal" meaning that all races were given the same opportunities but were segregated.
Let me know if this is right/ helps!
