"To leave Angola alone and weakened now would be a disaster for the West."
Decades of war have left Angola with little expertise at investment management.
They say this appears to have been a factor in Cuba's willingness to leave Angola.
Two of the refugees left Angola in the middle of 1987.
In July the last 17,000 Cuban soldiers will leave Angola.
On leaving Angola in 2007 he retired from the Diplomatic Service.
The last of them left Angola in 1974, when the country became independent in the middle of a civil war.
It might take up to four years for the last Cubans to leave Angola under this plan.
In 2007 around 44,000 Congolese were forced to leave Angola.
Soon after he left Angola, the rape case that had sent him to prison was reopened.