'Breaking Cocoa, Trinidad', early 20th century. Workers processing cocoa beans. Cacao, or cocoa, has contributed to the socio-economic development of Trinidad and Tobago for over 200 years, ever since the Spanish first planted the Criollo variety in 1525. S.P.G. Coloured Post Card No. 92 Series 8. The Society for the Propagation of the Gospel in Foreign Parts (SPG) was a Church of England missionary organisation active in the British Atlantic area in the 18th and 19th centuries.