1) First modern credit card introduced. 2) First organ transplant. 3) First "peanuts" cartoon strip introduced. 4) Korean war begins. 5) Senator Joseph Mccarthy begins communist witch hunt. 6) U.S president Truman orders construction of Hydrogen bomb. Hope this helps :)
Inexperienced, mature, imitated and/or sophisticated
Answer:
Mein Kampf (Disclaimer, do NOT read it it's literally a garbage political book that has anti-semitic things)
Explanation: