Yes ( but it is called a rubix cube not rubio cube)
Answer:
The "separate but equal schools" were unfair because they were never actually equal
Explanation:
Amenities for black were always way worse than amenities for whites. Rusted water fountains, dirty bathrooms, not always getting a good quality education, etc.., so they were separate, but never really equal.
Mainly through better advancement in technology and our understanding of engineering. What with us going from living in caves to making wooden homes to now living in steel and concrete.
The answer is Sir Francis Drake. He is an English men but had nothing to do with Spain.