I would say the answer is D.
<span>The Mesopotamians made sails to harness the wind to move boats, and eventually sailed and traded as far away as what is now India.
It allowed them to trade good with faraway lands</span>
matias may live farther away so its 0.7 kilometers.
jack may live closer to the bookstore so it may only be 0.5 kilometers.
The largest city in Florida is Miami!