By the middle of 1800, the north enjoyed which economic advantage over the south? a.) larger crops yields per acre. b.) a tighter trade relationship with europe. c.) a better transportation network. d.) lower labor costs.

The answer would be B

Not all the of them have Old and New Testaments. Not all three require you to learn Arabic. 

"A". 'The three religions all believe in one god. <- this is true 

Christianity believes in a God. Judaism believes in the same God, just not his son. Isalm believes in Allah. 

I hope this helps!
~kaikers