<span>Domestication interests us as the most momentous change in Holocene human history. Why did it operate on so few wild species, in so few geographic areas? Why did people adopt it at all, why did they adopt it when they did, and how did it spread? The answers to these questions determined the remaking of the modern world, as farmers spread at the expense of hunter–gatherers and of other farmers.</span>
The Byzantine Empire differed from the Western Empire because while the Western Empire had two figures of authority, (political and religious) the Byzantine Empire had one.
