The question remains as to whether his frustration led him to cut corners.

These frustrations led to many staff members leaving the campaign during the primary.

Anxiety, frustration and a lack of focus can lead to disaster.

This frustration in turn led to the misguided believe by some that violence was the right way forward.

These results support the hypothesis that frustration can lead to aggression.

If frustration led nowhere, at least they could sing along with the the worst news.

This frustration has led the growing numbers of multiracial people to try to form a strong social and political voice.

Frustration and stress from medical illnesses can lead to depression.

Frustration over this uncertainty has led many investors to sell the stock in the last two years.

They also said their frustration could lead them to skip the closing ceremony.