Denny were in effect protecting their monopoly on the local work-force.

Thus mail has been more frequently delivered by road, and it proved difficult for the authorities to protect the Government's usual postal monopoly.

To be sure, Network Solutions has a great incentive to protect its monopoly.

They are very adamant in protecting their monopoly.

"Every single thing that Microsoft says and does is designed to protect their monopoly," he said.

"We know that he is determined to thwart our experiments, and protect his species' monopoly on longevity at any cost."

The Portuguese established a fort on the island in 1518 and protected their own monopoly for over a hundred years.

I am saying that if politicians tried to legalise drugs, the cartels might well kill them to protect their monopoly, which would stop the move.

The decision was an effort to protect the Government's monopoly on books, magazines and newspapers.

In Europe too, such companies are trying more effective ways of protecting their monopoly against the public.