It rewarded political loyalists and friends of the government to be granted with political positions of any power.
needs a two-thirds majority to override the veto
They added/used resources during the settlement and adapted to it to create buildings.
The best option regarding characteristics that apply to both the Tang and Song dynasties would be "<span>b. A reliable food production and distribution system," since this was a major way in which both of these societies were allowed to thrive. </span>