Answer:
The first agricultural revolution occurred during the Neolithic period and was the evolution of humans going from being hunter-gatherers to farmers.
The "second" revolution was because of the new ways people discovered to raise the quality and quantity of farmed goods. Examples include utilizing selective breeding, the plough, and crop rotations.
Thomas Paine's pamphlet "Common Sense"
Http://www.celebrateboston.com/history/new-hampshire.htm says "<span>At an earlier year, in 1622, that same Captain Mason, Sir Ferdinand Gorges, and others, had obtained from the </span>Council of Plymouth<span>, a grant of land partly in Maine and partly in New Hampshire, which they called </span>Laconia<span>. In spring of 1623, they sent two small parties of emigrants to settle it. Some of these commenced to stay at Little Harbor, on the west side of the Piscataqua River, near present day Portsmouth. The others planted themselves at Cocheco, afterwards called Dover, further up river. The principal employment of the new settlers was fishing and trade." If that helps</span>
Many factors contributed to Britain's dominance, including agricultural changes, a population boom, economic innovations, new ideas and a scientific viewpoint, transportation foundations, natural resources, a supportive government, and a trade network with numerous colonies. So the answer is D
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