1. During this period , the villages turn very quiet .2. What we did was expose American babies during this period 3. This reflects falling operating costs during this period . 4. This reflects falling operating costs during this period. 5. This reflects falling operating costs during this period . 6. What the structure of space-time itself is doing during this period. 7. During this period he was involved in many revolutionary activities.8. During this period he was connected to various freedom fighting activities.9. During this period clouds of second world war had spread in Europe.10. During this period considerable political consciousness developed in the country .
