After all, he was the cause of her problems in the first place.

"But the main cause of the economic problem is political in nature."

Low income is by no means the only cause of the problem.

We already know that this is the cause of the whole problem.

But they did not identify the cause of the problem until 1974.

Is it worth keeping these or were they the cause of the problem?

There are two views on the main cause of the problem.

I offer a view from the production floor that may explain one cause of the problem.

The first solution is to attack the cause of the problem.

It may take several years to identify the cause of a child's problems.