B I think I’m not 100% sure
The reason they adopted this was to "A.Justify Revolution". This was because up to this moment there really had not been a formal explanation of the goals of the movement.
Answer:
The Colony of Jamaica gained independence from the United Kingdom on 6 August 1962
Explanation:
Jamaica earned its own constitution and laws governing the people of Jamaica under the providing freedom, equality and justice of all Jamaicans