All these factors have contributed to low crop yields and poverty in rural areas.

But they contributed in other areas - Green in rebounding and Walker with defense.

However, he also contributed significantly in other areas.

Migration and disease contributed to rapid population decline in rural areas.

Volunteer services are an integral part membership responsibility and each member is encouraged to contribute their time and expertise in needed areas.

Collaboration between the two firms extends at all levels, with engineering teams contributing in areas of respective expertise.

Awarded to scientists who have contributed most to the development of the science of complexity in various areas of knowledge.

Besides the work on market socialism, he also contributed in various areas.

Messier said Graves has been contributing in other areas.

They wielded considerable influence, contributing to social, economic and political development in areas under their jurisdiction.