<span>The
challenge that early farmers did not face as a result of the change from a
nomadic lifestyle to an agricultural lifestyle could be early death caused by
disease. Because in agricultural lifestyle, the nomads are now trying to
establish a boundary between their food to eat and food to sell or exchange. It
could also be a challenge for them to clear and cultivate lands because of the
lack of resources.</span>
The correct answer is the last one, to protect them and their land.
One of the main ways in which travel routes today differ from the trade routes of classical era civilizations is that they're far safer, since people have to worry much less about being robbed and/or injured--this is due mostly to government oversight and policing of the routes in question.<span />
It was because they didn't have the bill of rights, like they were used to in the Magna Carta when they were apart of the English colonies.
