Complex sentence: The American Colonization Society was a private organization establishment who send freed African-Americans and ex-Caribbean slaves settlers from the United States and the Caribbean islands they settled in Liberia to live a better life, self governmence, equal opportunity and freedom.
Split into simpler sentences: The American Colonization Society was a private organization establishment who send freed African-Americans and ex-Caribbean slaves settlers from the United States and the Caribbean islands. The freed African-Americans and ex-Caribbean slaves settlers who came from the United States and the Caribbean islands settled in Liberia to live a better life, self governmence, equal opportunity and freedom.