George Washington was the first president
Operant conditioning, in which the response being conditioned is voluntary and purposeful, differs from classical conditioning, where the response is automatic.
Hope this helps! :)
I believe it was since the racial segregation.
During this period, the law enforcement believed that most criminals run over poor neighborhood (which mostly populated by minorities)
These claims however only account for blue collar crimes while ignoring the white collar crimes that mostly conducted by people in wealthy population.
