not only did the systematic cleansing of forest in the u.s create farmland(especially in north east) and gave consumers relatively inexpensive houses and furniture, but it also caused erosion and very quickly deforestated whole region

the systematic cleansing of forest in the us created farmland(especially in north east)and gave consumers relatively inexpensive houses and furniture, but it also caused erosion and very quickly deforestated whole region


which one is correct
[spoiler]oa = 2[/spoiler]