Liberia is a country.
Liberia [ laɪˈbɪəriə ] , officially the Republic of Liberia , is a country on the West African coast . The country 's capital and largest city is Monrovia . The country declared its independence on July 26 , 1847 . During World War II , Liberia supported the United States war efforts against Germany and in turn the U.S. invested in considerable infrastructure in Liberia to help its war effort , which also aided the country in modernizing and improving its major air transportation facilities .