Prime Minister Baldwin Spencer on Saturday. August 1 urged citizens to ensure that the horrible and dehumanising system of slavery is never allowed to happen again while encouraging closerunity between the Caribbean Community (CARICOM) and Africa. "Therefore celebrating our Emancipation should inspire us to unite as citistens of the Caribbean to ensure that we never allow ourselves to be subjected to any form of slavery^'Spencer said in a message marking the 175th anniversary of the end of slavery.