Which of the following would not be considered a necessary condition for the growth of an empire?
a. high agriculture potential
b. adequate military resources
c. state and local governments
d. internal revolutions and revolts

A thing that wouldn't be necessary condition for the growth of an empire would be internal revolutions and revolts - D.

This option, compared to the others, actually underminens the possibility of success within one empire after some time as undermining authority and creating revolutions doesn't help when creating an empire. 

The virginia plan was a proposal by virginia delegates for a bicameral legislative branch. the albany plan of union was a plan to create a unified government for the thirteen colonies.