A) The Continents were once connected. They were once a supercontinent called Pangea
<span>They controlled access to the Eastern Mediterranean sea
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On this problem you don't need to subtract. They want to know the total amount of people who attended so you would add.
1 1 1 (carried over numbers)
12,679 (Line it up with 8491, ones place to ones place and so on)
+8,491
21170 (answer)
