What was the supreme court's justification for overturning the separate-but-equal doctrine? science forums?

The clash between fdr & the united states supreme court over new deal laws best illustrates the operation of

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.

What made it difficult for mexican americans to win court cases against anglo americans who laid claim to their land