And it sank,too. The Confederacy also developed very effective underwater explosive devices for use in the harbors.

VOA: special.2009.09.10

It is also more effective and less costly than the drugs traditionally used.

VOA: special.2010.01.04

He believes the treatment could also be effective in human beings.

VOA: special.2010.03.16

Anti-malaria drugs also have been effective.

VOA: special.2009.04.14

"If we are asked to bear the burden, we should also be given the chance to engage effective dialogue with Iran.

VOA: standard.2010.07.26

He also said a more responsive and effective Afghan government would help dispel doubt in the international community and inspire more assistance.

VOA: standard.2009.10.23