The following five challenges to the future of agriculture and food security exist on almost every continent in one form or another: constraints on resources from fossil fuel to water to phosphorus; land management problems resulting from tillage to monoculture to improper grazing practices; food waste from spoilage to produce culled by retailers; demographic changes; and government policy. This article focuses on the impact that these challenges have upon North America.
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Global warming is a big factor of extinction and will continue for years
I believe it's either B or D. When Columbus landed on the shore the natives in that area brought gifts to trade. I would lean more towards D but that's just because they began trading after they saw Columbus and his men.
Answer;
Access to important rivers and the Atlantic Ocean played a big role in their success.
Explanation;
Jamestown, the first permanent English settlement in the new world, was founded by a joint stock company anxious to return a profit to investors.
Jamestown offered anchorage and a good defensive position. Warm climate and fertile soil allowed large plantations to prosper. Plymouth, on the other hand, provided good anchorage and an excellent harbor. Cold climate and thin, rocky soil limited farm size. New Englanders turned to lumbering, shipbuilding, fishing and trade.