This article shows the USA's views on the Russia joining the WTO. My country, Colombia, is an ally with the USA and will majorly effect their views on the topic.

link: http://www.usrussiatrade.org/

In the economy section, it shows how Colombia is not very dependent on oil/natural gas. These are important statistics for the first topic

link: https://www.cia.gov/library/publications/the-world-factbook/geos/co.html

This page tells exactly what the WTO is and what it does.

http://www.wto.org/english/thewto_e/whatis_e/whatis_e.htm
that is the link