Both leaders have given powerful impetus to liberating reforms.
"Federal inaction or inertia will be a powerful impetus - indeed, an open invitation to state intervention."
And then you're committed to the coverage, and that is a powerful impetus to run it, whatever you get.
This revival provided a powerful impetus to the sense of cultural affinity with ancient Greece and its classical heritage.
In many ways the most powerful impetus to greater concentrations came from the state.
It gave a powerful impetus to the development of the place.
Hunger has created a powerful impetus for adopting a new way of life.
The end of the Wall gives a powerful impetus for new security thinking, which the West would be foolish to ignore.
Parliament too has played an important part, giving powerful impetus to the accession process.
This realization can be a powerful impetus for change.