You want to sure you are using the correct word to express your ideas. If you are not sure, you should check the definition in a dictionary.
Encyclopedias are a good place to start if you need an overview of a topic you are unfamiliar with. They will often include a bibliography of sources that you can consult for more information.
You can look in a subject encyclopedia if you would like to find background or overview information about your topic. Several sources that might be useful for your assignment are listed below.
Online version of the Europa World Year Book and Europa Publications' nine-volume Regional Surveys of the World series, which cover political and economic information in more than 250 countries and territories and provide information on a variety of international organizations.