Alright, I'll help you give me a minute to remember my History haha
The answer would be “that ‘separate but equal’ was a valid legal doctrine”. This is because this ruling upheld the constitutionality of segregation under the premise that as long as things were “equal” for African Americans then they could be separate.
Keynesian or pump priming philosophy, In other words, money should be held in the working class of the people. Their spending would set the pace for the economy because it would then determine how businesses and companies would set new demands and needs for the new hired workers. This was controversial and interesting because it was exactly the opposite of the previous Republican model of "Trickle Down economics"