Over time, their policies- repression, rewards, emigration, and the displacement of popular anger onto scapegoats (generally foreign)-were shaped by the desire to cling to power.
( ( Over time ) ( , ( ( ( their policies ) ( - ( ( ( ( ( ( ( ( repression , ) rewards ) , ) emigration ) , ) and ) ( ( the displacement ) ( of ( ( popular anger ) ( onto ( scapegoats ( -LRB- ( ( generally foreign ) -RRB- ) ) ) ) ) ) ) ) - ) ) ) ( ( were ( ( shaped ( by ( the desire ) ) ) ( to ( cling ( to power ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Over) (NP (NN time))) (, ,) (NP (NP (PRP$ their) (NNS policies)) (PRN (: -) (NP (NP (NN repression)) (, ,) (NP (NNS rewards)) (, ,) (NP (NN emigration)) (, ,) (CC and) (NP (NP (DT the) (NN displacement)) (PP (IN of) (NP (NP (JJ popular) (NN anger)) (PP (IN onto) (NP (NP (NNS scapegoats)) (PRN (-LRB- -LRB-) (ADJP (RB generally) (JJ foreign)) (-RRB- -RRB-)))))))) (: -))) (VP (VBD were) (VP (VBN shaped) (PP (IN by) (NP (DT the) (NN desire))) (S (VP (TO to) (VP (VB cling) (PP (TO to) (NP (NN power)))))))) (. .)))
Their policies over time were driven by their thirst for power and it eventually led to their demise.
( ( ( ( ( ( Their policies ) ( over time ) ) ( were ( driven ( by ( ( their thirst ) ( for power ) ) ) ) ) ) and ) ( it ( eventually ( led ( to ( their demise ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (PRP$ Their) (NNS policies)) (PP (IN over) (NP (NN time)))) (VP (VBD were) (VP (VBN driven) (PP (IN by) (NP (NP (PRP$ their) (NN thirst)) (PP (IN for) (NP (NN power)))))))) (CC and) (S (NP (PRP it)) (ADVP (RB eventually)) (VP (VBD led) (PP (TO to) (NP (PRP$ their) (NN demise))))) (. .)))