Works Cited

Purchase of Alaska 1-
Purchase of Alaska. Digital image. Granger.com. Granger, n.d. Web. <http://www.granger.com/results.asp?image=0004239&screenwidth=1436>.

Purchase of Alaska 2-
Purchase of Alaska. Digital image. Netstate.com. Netstate, n.d. Web. <http://www.netstate.com/states/government/ak_government.htm>.

Annexation of Hawaii-
Annexation of Hawaii. Digital image. Chroniclingamerica.com. Chroniclingamerica, n.d. Web. <http://chroniclingamerica.loc.gov/lccn/sn83025121/1897-08-20/ed-1/seq-3/>.

The open door policy-
The Open Door Policy. Digital image. Bu.edu. N.p., n.d. Web. <http://blogs.bu.edu/guidedhistory/moderneurope/tao-he/>.

Roosevelt corollary-
Roosevelt Corollary. Digital image. Wikipedia. N.p., n.d. Web. <https://en.wikipedia.org/wiki/Roosevelt_Corollary>.

Spanish American War-
Spanish American War. Digital image. Mckinleycurator.blogspot. N.p., n.d. Web. <http://mckinleycurator.blogspot.com/2012/04/campaigns-cartoons-coming-soon.html>.

Panama canal 1-
Panama Canal. Digital image. Pbs.org. N.p., n.d. Web. <http://www.pbs.org/wgbh/americanexperience/features/teachers-resources/panama-guide/>.

panama canal 2-
Panama Canal. Digital image. Authentichistory. N.p., n.d. Web. <http://www.authentichistory.com/1898-1913/4-imperialism/7-bigstick/>.