Sources

http://millercenter.org/president/roosevelt/essays/biography/5

http://www.smplanet.com/imperialism/teddy.html

http://www.studentsfriend.com/sf/part2see/part2-3.html

http://www.vcdh.virginia.edu/solguide/VUS09/essay09a.html

http://www.cfr.org/mexico/us-latin-america-relations/p16279

http://www.wcfia.harvard.edu/node/612