Pavlov's dogs were conditioned to salivate to a 1000-hz tone due to its pairing with food. after this training, it was found that the dogs would salivate to a 900-hz tone but not to a 500-hz tone. salivating to the 900-hz tone is an example of and not salivating to a 500-hz tone is an example of

generalization; discrimination    

Explanation:

Generalization and Discrimination are the terms being used in classical conditioning.

Generalization: In psychology, it is defined as the propensity to acknowledge in the same way to different but alike stimuli.

Discrimination: In psychology, discrimination is defined as the ability to recognize and respond to dissimilarity among stimuli.

Example:

conditioned stimulus - bell tone.

discrimination - Difference between similar sound and bell sound.

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.