'This period lasted from about 3500 to 1500 B.C.'
the Bronze Age
B PREPARED: This period lasted from about 3500 to 1500 B.C.
This period lasted from about 3500 to 1500 B.C.
This period lasted from about 3500 to 1500 B.C.
"B" PREPARED
the Bronze Age
"B" PREPARED