Moreover the choice of an exchange rate could prove critical.

That, she said, had proved particularly critical in the months after the attack.

These forces were to prove critical during the early days of the war.

The outcome of their battle could prove critical to the Sept. 13 primary.

The use of models that are almost, but not quite nude, on the cover proved critical.

Officials predict that the next 10 days could prove critical.

In the end, as he had anticipated, events inside France proved critical.

These items meant nothing now, but any one of them could prove critical down the road.

Understanding the science of the Earth's climate may prove critical to the human future.

Clearly, thought Matsura, they didn't think his services would prove critical to the research effort.