It showed that direct rewards and punishments are not necessary for learning. its called modeling.
Answer:
dont know spanish srry hablo espenoal
Explanation:
The European Union<span> is set up with the aim of ending the frequent and bloody wars between neighbors, which culminated in the Second World War. As of 1950, the </span>European<span> Coal and Steel Community begins to unite </span>European<span> countries economically and politically in order to secure lasting peace.</span><span />