The rate of production of new biomass by an individual, population, or community; the fertility or capacity of a given habitat or area.
Staple crops, if im wrong please let me know :)
Imperialism - extending a country's power through colonisation, or force, and it can also mean rule by an emperor.
A I think ..."$$’didksksrcie
I would say that the advancements would have to do with their superior technology regarding war, like having advanced chariots or iron weapons.
