The key factors for success were identified early in 2000.

The start of the German campaign in 1813 was the key factor.

I learned long ago that energy is the key factor for life.

Pain control is a key factor in successful home care.

It is, as you say, the key factor in our case.

"Environment issues are a key factor in the financial success of the company," he said.

Here are some key factors you should always look for in your running style.

Their 6-month report brought together some of these key factors.

His office was considered one of the key factors in winning the war.

The most common view is that several key factors worked together to set the stage.