(A) Not only did the systematic clearing of forests in the United Statescreate farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it alsocaused erosion and very quickly deforested whole regions.
(B) Not only did the systematic clearing of forests in the United Statescreate farmland (especially in the Northeast), which gave consumers relatively inexpensive houses and furniture, but alsocaused erosion and very quickly deforested whole
...
(B) Not only did the systematic clearing of forests in the United Statescreate farmland (especially in the Northeast), which gave consumers relatively inexpensive houses and furniture, but alsocaused erosion and very quickly deforested whole
...


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