An important part of U.S. diplomacy is getting sovereign states to work together voluntarily.
( ( ( An ( important part ) ) ( of ( U.S. diplomacy ) ) ) ( ( is ( ( getting ( sovereign states ) ) ( to ( ( work together ) voluntarily ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (JJ important) (NN part)) (PP (IN of) (NP (NNP U.S.) (NN diplomacy)))) (VP (VBZ is) (VP (VBG getting) (NP (JJ sovereign) (NNS states)) (S (VP (TO to) (VP (VB work) (ADVP (RB together)) (ADVP (RB voluntarily))))))) (. .)))
It's important to get states to work together.
( It ( ( 's ( important ( to ( get ( states ( to ( work together ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ 's) (ADJP (JJ important) (S (VP (TO to) (VP (VB get) (S (NP (NNS states)) (VP (TO to) (VP (VB work) (ADVP (RB together)))))))))) (. .)))