What was one historical effect described in the excerpt "that which is common to all is proper to none. [native americans] ruleth over many lands without title or property; for they enclose [fence in] no ground, neither have they cattle to maintain it. . and why may not christians have liberty to go and dwell amongst them in their waste[d] lands and woods (leaving them such places as they have [fertilized] for their corn) . . ? for god hath given to the sons of men a twofold right to the earth; there is a natural right and a civil [political] right. the first right was natural when men held the earth in common, every man sowing and feeding where he . then, as men and cattle increased, they appropriated some parcels of ground by enclosing [them as property] . . and this in time got them a civil right"