Turabi in return would let Bin Ladin use Sudan as a base for worldwide business operations and for preparations for jihad.
( ( Turabi ( in return ) ) ( ( would ( let ( ( Bin Ladin ) ( ( use Sudan ) ( ( ( as ( ( a base ) ( for ( worldwide ( business operations ) ) ) ) ) and ) ( for ( preparations ( for jihad ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Turabi)) (PP (IN in) (NP (NN return)))) (VP (MD would) (VP (VB let) (S (NP (NNP Bin) (NNP Ladin)) (VP (VB use) (NP (NNP Sudan)) (PP (PP (IN as) (NP (NP (DT a) (NN base)) (PP (IN for) (NP (JJ worldwide) (NN business) (NNS operations))))) (CC and) (PP (IN for) (NP (NP (NNS preparations)) (PP (IN for) (NP (NN jihad)))))))))) (. .)))
Bin Ladin used Sudan as a base at the allowance of Turabi.
( ( Bin Ladin ) ( ( ( ( used Sudan ) ( as ( a base ) ) ) ( at ( ( the allowance ) ( of Turabi ) ) ) ) . ) )
(ROOT (S (NP (NNP Bin) (NNP Ladin)) (VP (VBD used) (NP (NNP Sudan)) (PP (IN as) (NP (DT a) (NN base))) (PP (IN at) (NP (NP (DT the) (NN allowance)) (PP (IN of) (NP (NNP Turabi)))))) (. .)))