In Portugal both absolute majority single party governments implemented a very high percentage of their program, and some of minority ones also did a reasonable work in implementing their program (if the end result of the program was good or bad that's a whole different can of worms), were they usually fail miserably is on the soundbites that are shown on TV. But the same is true also in the US, Obama delivered 80% of his promises which is impressive taking into account that he had to work against the congress.
In Portugal both absolute majority single party governments implemented a very high percentage of their program, and some of minority ones also did a reasonable work in implementing their program (if the end result of the program was good or bad that's a whole different can of worms), were they usually fail miserably is on the soundbites that are shown on TV. But the same is true also in the US, Obama delivered 80% of his promises which is impressive taking into account that he had to work against the congress.