What was the impact of European Exploration/Colonization on the Americas?

Answer 1

http://cte.jhu.edu/techacademy/fellows/BESNOY/www/uswqkb02.html

http://www.luc.edu/faculty/ldossey/explorationnov18.htm

http://www.aacps.org/AACPS/boe/INSTR/CURR/socst/7thgrss/Africa3.htm

http://www.loyno.edu/~seduffy/worldciv1links.html

http://www.tahgrant.net/topics.htm