Angela heard that too many credit cards would hurt a person's credit score. She picked up the phone and canceled 3 of her credit cards. She later found that her credit score did not rise but dropped instead. Could you explain what could be the reasons? Please list at least two reasons and explain why Please also advise her on the following: 1) How to build a strong credit history? Please be specific and list as much as possible. TT T Aria 3(1251 T = 15:31:03