It probably played only a small role in maintaining accumulation once that got going.

Grants play an important role in maintaining local services and community organizations.

They play a role in maintaining cell volume and fluid balance.

Newspapers played an important role in maintaining popular support for the war.

It also plays an important role in maintaining proper bone structure.

Water plays so many roles in maintaining various life forms that it is difficult to give a short answer.

They also play a major role in maintaining links between people.

Have we considered what economic activities are required or the role agriculture plays in maintaining animals?

Screening, particularly as we get older, also plays an important part in maintaining health.

Women play a significant role in maintaining Mixtec cultural identity.