A reinforcer is a stimulus that increases the probability that the behavior will occur again. An example of a reinforcer would be a dog treat. If you want your dog to follow the command "sit", you would follow the behavior with a dog treat, or reinforcer, to ensure that the behavior of "sit" would occur again.
they argued that because in the south they had slavery so they had rules were they could have slaves and in the north thy wanted to keep slavery out of the north so they put restrictions in the north not the south.
