Translate the following sentence into Turkish.
In 1939, with thousands of known and suspected enemy agents... invading the Americas... the F.B.I. started building up its force of special agents and employees... from 2,000 to a war peak of 15,000.
FBI, 1939'da bilinen bilinmeyen binlerce düşman casusu Amerika 'yì isş gale başlayìnca, ajanlarìnìn ve çalìşanlarìnìn sayìsìnì 2. 000'den 1 5. 000'e çìkardì.