Which of these areas is known for being the home of some of the world’s earliest civilizations?
a.
the rub al khali
b.
the iranian plateau
c.
the hindu kush
d.
mesopotamia

The answer is D i'm pretty sure because there ruins date  all the way back to 6500 b.c. which is a lot older than  the rest. hope this helps 

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

Is a glitch? jaja support qin fen on his debut with awaken f