Which statement is true about the decline of egypt during the new kingdom?                                                                                 a) egypt’s unity crumbled when egyptian governors challenged the power of the pharaohs’ government. b) thutmose iii led egypt into a series of unsuccessful and costly wars against syria and phoenicia. c) civil war left egypt weak and poorly defended, and egypt fell to the macedonian conqueror alexander the great. d) egyptian princes became strong enough to drive out foreign invaders who threatened egypt’s future.