Problem between North and the South. North didn't want slaves while the South did. Also, money was a problem.
Answer:
By referring to an ancient Greek or Roman author or the bible
The expansion of empires facilitated Trans-Eurasian trade and communication as new peoples were drawn into their conquerors' economies and trade networks.
Grouping the united
states into various regions would be<span> departmentalization
by location.
Various organizations and entities use the departmentalization based on task,
function or service etc. A divide which is based on various locations will be
called departmentalization<span> by location
as it involves northeast, northwest, southeast and southwest locations.</span></span>