According to the Yerkes-Dodson law a Performance on an easy task is best when pressure is low b Performance is generally best when pressure is low c Performance on a difficult task is best when pressure is high d Performance is generally best when there is a moderation amount of pressure e Difficult tasks get easier with time

    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.

a would be the answer