Hello!
You forgot to add any options! but I can answer the question more generally:
Natural resources, including food:
the major influence is weather and climate. For example a drought or a flood can destroy a year's harvest and cause famine.
Human resources: the infrastructure available, for example good university network could lead to reach human resources (many skilled workers).
Also the resources availalable to its neighbours, as they would determine what a given population can dtr
