What causes Athena to be angry with
Arachne?

To quote www.mvorganizing.org, "in spite of being blessed with excellent weaving skills, Arachne was too arrogant. This made Athena furious because she was one of the best in weaving skills. She became angry at Arachne’s foolishness at the beginning of the story."

the debate held in 1980 by carter and reagan was decisive for the elections. while carter tried to convince people that reagan was a "war hawk", reagan put all his efforts in showing the necessity to take care about medicare and the social security advantage. this debate reagan to win the elections