Answer:
Baron de Montesquieu-Advocated separation of power, established the rule of law.
Explanation:
Montesquieu borrowed the political idea of Jonh Lock, he (Lock) believed that all people were born equal with certain God-given rights (called natural rights), such as the rights to life, freedom, and property ownership.
In the case Plessy v. Ferguson, it is true that the Supreme Court ruled that the "separate but equal" was constitutional.
The Constitution
It forms a constitutional government
Because it made the internment of certain American citizens legitimate.