But my visit is also the product of a decisive change in the foreign policy of the United Kingdom.
The major powers may yet be able to unite to stop Iran at this late hour, but not without a decisive change in American policy.
But perhaps the decisive change occurred in the minds of an Afrikaner ruling elite.
This led to a decisive change in the type of poetry he wrote.
Some environmentalists hope this will prove a decisive change.
This was a decisive change, because other European powers kept their armies and navies up to strength.
Between 1792 and 1813, French sovereignty brought about decisive changes, as from this time forth, secular lords held sway.
But did Reagan mark such a decisive change in Cold War thinking?
We cannot just let this continue unchecked and should aim now at decisive changes.
Secondly, we have helped make a decisive change to the structure of administrative expenditure.