Changes

Textbooks written after 1970 began claiming that around A.D. 1000, the Scandinavian [[Leif Ericson]] established a small colony at [[Vinland]], where the present [[Newfoundland]] is (north of Maine).  But there is very little evidence that such a colony existed, and no explanation for what happened to it.  It did not last long even if it did exist, and there is no sign of any Viking colony in what is now the United States.<ref>"People have been looking hard for hundreds of years and there is no archaeological evidence in this part [New England]— it's certainly possible, the Vikings were incredible boat handlers — '''but there is no evidence'''," observed one university history professor.[http://farshores.org/a04viki.htm]</ref>.

Textbooks written after 1970 began claiming that around A.D. 1000, the Scandinavian [[Leif Ericson]] established a small colony at [[Vinland]], where the present [[Newfoundland]] is (north of Maine).  But there is very little evidence that such a colony existed, and no explanation for what happened to it.  It did not last long even if it did exist, and there is no sign of any Viking colony in what is now the United States.<ref>"People have been looking hard for hundreds of years and there is no archaeological evidence in this part [New England]— it's certainly possible, the Vikings were incredible boat handlers — '''but there is no evidence'''," observed one university history professor.[http://farshores.org/a04viki.htm]</ref>.

''Exam note'': there is no more than one or two questions about the Pre-Columbian period on any American history exam.

''Exam note'': there are no more than one or two questions about the Pre-Columbian period on any American history exam.

== Exploration (Columbian Period) ==

== Exploration (Columbian Period) ==