They say their suspicions are reinforced by Iran's refusal to respond to confidence building proposals by world powers.

VOA: standard.2010.05.14

However,in the light of the new development, we have reinforced our security systems in all our airports,".

VOA: standard.2009.12.28

For many investors in Asia, gold's role as a source of safety and value has been reinforced over the past year of economic uncertainty.

VOA: standard.2010.07.21

It led to a rapid decline in foreign direct investment in Georgia and a rapid decline in growth, reinforced,of course, by the economic crisis.

VOA: standard.2009.09.01

Police patrols have been reinforced in regions where incidents occurred in previous polls, including in ethnic Albanian areas, where last June one person was killed and several others wounded in gun battles.

VOA: standard.2009.03.22

With Iran now facing intensified pressure to provide a complete account of all of its enrichment and any weapons-related activities, revelation of the new enrichment facility reinforced the determination of U.S.lawmakers to move ahead with tougher sanctions.

VOA: standard.2009.09.25