ced ▁or ▁kid n apped ▁into ▁sla very ▁( known ▁as ▁black bird ing ). ▁Many ▁others ▁were ▁paid ▁very ▁low ▁w ages . ▁Between ▁ 1 9 0 4 ▁and ▁ 1 9 0 8 , ▁most ▁of ▁the ▁ 1 0 , 0 0 0 ▁remaining ▁workers ▁were ▁deport ed ▁in ▁an ▁effort ▁to ▁keep ▁Australia ▁ra cially ▁hom ogeneous ▁and ▁protect ▁white ▁workers ▁from ▁cheap ▁foreign ▁labour . ▁ ▁Cub an ▁sugar ▁derived ▁from ▁sugar c ane ▁was ▁export ed ▁to ▁the ▁USS R , ▁where ▁it ▁received ▁price ▁supports ▁and ▁was ▁ens ured ▁a ▁guaranteed ▁market . ▁The ▁ 1 9 9 1 ▁dissol ution ▁of ▁the ▁Soviet ▁state ▁forced ▁the ▁closure ▁of ▁most ▁of ▁Cuba ' s ▁sugar ▁industry . ▁ ▁Sug arc ane ▁remains ▁an ▁important ▁part ▁of ▁the ▁economy ▁of ▁Guy ana , ▁Bel ize , ▁Barb ados , ▁and ▁H ait i , ▁along ▁with ▁the ▁Domin ican ▁Republic , ▁Gu adel oupe , ▁J ama ica , ▁and ▁other ▁islands . ▁ ▁About ▁ 7 0 % ▁of ▁the ▁sugar ▁produced ▁glob ally ▁comes ▁from ▁S . ▁offic inar um ▁and ▁hy br ids ▁using ▁this ▁species . ▁ ▁Cult iv ation ▁▁ ▁Sug arc ane ▁cultiv ation ▁requires ▁a ▁tropical ▁or ▁subt rop ical ▁climate , ▁with ▁a ▁minimum ▁of ▁ ▁of ▁annual ▁mo ist ure . ▁It ▁is ▁one ▁of ▁the ▁most ▁efficient ▁photos yn thes izers ▁in ▁the ▁plant ▁kingdom . ▁It ▁is ▁a ▁C 4 ▁plant , ▁able ▁to ▁convert