More ideas were able to be made like house electronics for example: the washer, a dishwasher, the lightbulb and many more, oh and also AC current which we still us to this day because it is safer and that is how the Tesla coil works
Answer:
it's the first and the last one
Explanation:
cuz I smart
Plessy vs Ferguson is the one I think. Research it on wiki to confirm.
Because they couldnt stop discrimination from happening
B.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
