Answer:
I think its all tbh but you didn't give that as an option.
Explanation:
??
The telephone because it allowed people to be connected over long distances
The car because we literally use it every day
The airplane because travel around the world has been sped up
I believe the answer is limited government
I think it is Plessy v. Ferguson
The goverment has less spending money so basically the banks have more spending money and when banks make loans they end up having a lot more spending power then the whole goverment