The business grew and eventually, he was helping thousands nationwide.
( ( ( ( ( The business ) grew ) and ) ( eventually ( , ( he ( was ( ( helping thousands ) nationwide ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN business)) (VP (VBD grew))) (CC and) (S (ADVP (RB eventually)) (, ,) (NP (PRP he)) (VP (VBD was) (VP (VBG helping) (NP (NNS thousands)) (ADVP (RB nationwide))))) (. .)))
The business increased in size to the point where he could help thousands throughout the world. 
( ( The business ) ( ( ( ( increased ( in size ) ) ( to ( the point ) ) ) ( where ( he ( could ( ( help thousands ) ( throughout ( the world ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN business)) (VP (VBD increased) (PP (IN in) (NP (NN size))) (PP (TO to) (NP (DT the) (NN point))) (SBAR (WHADVP (WRB where)) (S (NP (PRP he)) (VP (MD could) (VP (VB help) (NP (NNS thousands)) (PP (IN throughout) (NP (DT the) (NN world)))))))) (. .)))