I think we finally found an effective weapon against America.

Since when have countries not been willing to use an effective weapon?

A woman's most effective weapon, she's brought up to believe.

But did he have any chance of making an effective weapon?

He turns out to be one of the most effective weapons in the business.

The data suggest that they are not a particularly effective weapons at the moment anyway.

I have never found the need to test my most effective weapon!

Their first step would be to obtain some effective weapons.

It is an effective weapon against human rights and economic development.

But before going after it I wanted to arm myself with some more effective weapon.