You can check out Wikipedia, but remember not cite Wikipedia!

A few other great places are JSTOR, Gale Academic OneFile, and Google Scholar for journals, newspapers, and other helpful sources. You can also visit the United Nations website to see past resolutions.

If you want to get serious with your research, you can visit your local library, your nation's government website, or even phone experts! However, most conferences will not require you to go to these lengths.