<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
Industry i belive is your answer
(This famous order was given by Colonel William Prescott at the Battle of Bunker Hill on June 17, 1775)
As the British army marched on Bunker Hill, the American militia lured them closer… and closer… and closer… by not doing a thing. It would be like playing dead while a giant black bear sniffed at you, and then stabbing it in the eye at the last second.
This maneuver took nerves of steel, nerves that trickled down from Colonel William Prescott to his men. It was Colonel Prescott who gave the order, "Don't fire until you see the whites of their eyes!"
Once they got close enough, the Americans fired, decimating the British troops.
Easier Explanation: William Prescott shouted: "Don't fire until you see the whites of their eyes" explaining to the men that they had limited ammunition, and they needed to make every shot count.
<span>The Constitution is the document that describes the plan of government for the United States including its purpose and structure. This is your answer! </span>
I'm definitely not good at it. Sorry. :/