Answer:
Because it was a law that is specifically and clearly targeted African Americans while giving Whites an advantage.
Hi! I’m pretty sure you’re right with the first one!
It is called Grant of certiorari
Harappan seals have shown connections to the Mesopotamian civilization. The seals date between 1872-73 CE. The structure of the seals are similar to that of the Mesopotamian civilization and provide evidence for the trade existing between the two civilizations.
Actually the real answer is the second and first world war pouring money into the us economy for output. If that is not an option it would be the invention of the steam engine and the 1800's locomotive industry.