Uniformity is not a sine qua non, and this is where Pepin-Robarts in reminding us of the opting in and opting out facilities and raising the compensation in opting out provided the opportunity if there is a spirit of goodwill and of pragmatic compromise for working out arrangements to accommodate the increasing pluralism in our federal society.
A spirit of goodwill is the only way to work out arrangements to accommodate the decreasing pluralism in our federal society. 
( z1 way :mod ( z2 only ) :manner-of ( z3 work-out :ARG1 ( z4 arrange :purpose ( z5 accommodate :ARG1 ( z6 decrease :ARG1 ( z7 pluralism :location ( z8 society :mod ( z9 federal ) :poss ( z10 we ) ) ) ) ) ) ) :manner ( z11 spirit :mod ( z12 goodwill ) ) )