The explanation above is correct!
Answer:
B
Explanation:
The state laws argued for "separate but equal schooling". It was found that the separate schools (for Blacks and Whites) were very far from equal, meaning that some of the US Citizens were denied the same liberties others got solely for their skin color.
an open system can be affected by the outside environment.
it has flows of information, energy, and/or matter between the system and its environment, and the system adapts to the exchange.
hope i helped! good luck.