That had been made by the Cadets (Constitutional Democrats) under Prince Lvov.
( That ( ( had ( been ( ( made ( by ( ( the Cadets ) ( -LRB- ( ( Constitutional Democrats ) -RRB- ) ) ) ) ) ( under ( Prince Lvov ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBD had) (VP (VBN been) (VP (VBN made) (PP (IN by) (NP (NP (DT the) (NNPS Cadets)) (PRN (-LRB- -LRB-) (NP (NNP Constitutional) (NNPS Democrats)) (-RRB- -RRB-)))) (PP (IN under) (NP (NNP Prince) (NNP Lvov)))))) (. .)))
The Cadets made that under Prince Lvov and it was wildly successful.
( ( ( ( ( The Cadets ) ( ( made that ) ( under ( Prince Lvov ) ) ) ) and ) ( it ( was ( wildly successful ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NNPS Cadets)) (VP (VBD made) (NP (DT that)) (PP (IN under) (NP (NNP Prince) (NNP Lvov))))) (CC and) (S (NP (PRP it)) (VP (VBD was) (ADJP (RB wildly) (JJ successful)))) (. .)))