A.distort
B.reinforce
C.exert
D.scramble

A.Thereof
B.Thereby
C.Thereafter
D.Thereabouts
A.proportion
B.installment
C.correspondence
D.collaboration
A.evaluation of a problem.
B.establishment of clear goals to be reached by the decision.
C.action undertaken in order to discover more information about a problem.
D.comparison of the probable effects of different solutions to a problem.