The principal instrument for this economic policy coup was to be the budgetary process.

And the Otherworid is the principal instrument of our instruction.

The principal instrument of shareholder control is their power to remove the directors from office.

They had Grant's ear and became the principal instruments for his peace policy.

People's war became the principal instrument of self-determination and social change in the third world from around the 1950s.

He works primarily in the field of electro-acoustic music, with his principal instrument being computer software.

Although her principal instrument is the violin, she also plays the ukulele.

The council of ministers became the principal instrument of government in 1954.

Demonheart took up other tactics, of which I was the principal instrument.

The violin is also a principal instrument for Indian film music.