How did the printing press the scientific revolution?

In witch of these areas were the early bantu successful in part to there iron working skills ? check all that apply -agriculture -gathering -navigation -trade -warfare

Law which gave electricity to people living in the farm victory gardens boll weevil drought great depression franklin d roosevelt warm springs, ga new deal aaa - agricultural adjustment act ccc - civilian conservation corp rea - rural electrification adminstration ssa - social security act

Which choice describes some of the difficulties john adams faced as presiden