Another thing those early French and Dutch settlers agreed upon was that their island should be free of levies on any imported goods.
( ( ( Another thing ) ( ( those ( early ( French ( and ( Dutch settlers ) ) ) ) ) ( agreed upon ) ) ) ( ( was ( that ( ( their island ) ( should ( be ( free ( of ( levies ( on ( any ( imported goods ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT Another) (NN thing)) (SBAR (S (NP (DT those) (JJ early) (JJ French) (CC and) (JJ Dutch) (NNS settlers)) (VP (VBD agreed) (PP (RB upon)))))) (VP (VBD was) (SBAR (IN that) (S (NP (PRP$ their) (NN island)) (VP (MD should) (VP (VB be) (ADJP (JJ free) (PP (IN of) (NP (NP (NNS levies)) (PP (IN on) (NP (DT any) (VBN imported) (NNS goods))))))))))) (. .)))
The French and Dutch settlers preferred a tax on imports.  
( ( The ( French ( and ( Dutch settlers ) ) ) ) ( ( ( preferred ( a tax ) ) ( on imports ) ) . ) )
(ROOT (S (NP (DT The) (JJ French) (CC and) (JJ Dutch) (NNS settlers)) (VP (VBD preferred) (NP (DT a) (NN tax)) (PP (IN on) (NP (NNS imports)))) (. .)))