Answer:
The term dark ages is no longer in use because of the negative feedback it was given so we call itmiddle Ages instead and also more was known from the early middle ages so dark ages is okay for describing the middle ages.
Explanation:
Behavioral therapy are effective for treating behavior-related problems such as making children learn to behave a certain way by using rewards. Cognitive therapy deals with underlying thoughts ,emotions and physiological responses to a situation. For example it helps control the way one perceives the situation to bring about a change in the emotional or physiological response by the body.
Depende de lo bueno que seas.
Erie canal helped form a whole new culture revolving around canal life
hope that helps (: