generate questions: In 1840, St Helena became a provisioning station for the British West Africa Squadron, preventing slavery to Brazil (mainly), and many thousands of slaves were freed on the island. These were all African, and about 500 stayed while the rest were sent on to the West Indies and Cape Town, and eventually to Sierra Leone.
In 1840 what did Saint Helena become? {sep_token} What squadron was Saint Helena a provisioning station for? {sep_token} What country did the British West Africa Squadron prevent slaves from being sent to? {sep_token} How many slaves ended up staying on the island after being freed? {sep_token} How many slaves were freed from the island? {sep_token}