Answer:
the Roman empire fell for many reasons, but the 5 main ones were invasions by Barbarian tribes, Economic troubles, and overreliance on slave labor, Overexpansion and Military Spending, and Government corruption and political instability.
(Gave information from teen link)
The major physical feature that the pioneers crossing West had to contend with were the Rocky and Sierra Nevada Mountains.
These mountain ranges were treacherous and many died trying to find passages to cross.
He favored increased military engagements around the world
Christina Aguilera has sold over 50 million albums worldwide<span>.</span>
A major similarity <span>between turnpikes in the 1800's and turnpikes today is that both collected money from travelers, while a major difference was that the former were not automated in any way (as many are now).</span>
