I am doing an ABC book about the country of Chad...?

Countries, Facts & Figures.

http://countrystudies.us/

http://www.nationbynation.com/

http://www.factmonster.com/countries.html

http://www.infoplease.com/ipa/A0762380.html

http://www.nationalgeographic.com/index.html

https://www.cia.gov/library/publications/the-world...

http://education.yahoo.com/reference/factbook/;_yl...

History of Nations

This site has a history of every nation in the world as well as many non-sovereign territories. Each country is covered by a brief essay which gives the highlights of each nation's history.

http://www.historyofnations.net/

Quicklime can be produced from one of Chad's major natural resources, limestone.

Xenocracy (government by a body of foreigners) ended in Chad on August 11, 1960 when it gained its independence from France.

The X one is a real stretch : D

This may be stretching things a bit but.......

For the letter X:

Exxon-Mobill leads a consortium of Chevron and Petronas that has invested $3.7 billion to develop oil reserves estimated at one billion barrels in southern Chad"

Exxon-Mobil'ss ticker on the NYSE is XOM