Why anti sparrow army established in 1958 at china?

1. Why are most of sugar mills established in sugarcane producing areas?

The cruel campaign against which bird is initiated in 1958 in china?

In which country and cruel 'sparrow campaign' took place in 1958 ?

How did antisparrow army eradicated sparrows? Is it right decision?

The European Investment Bank is the European Union's nonprofit long-term lending institution established in 1958 under the Treaty of Rome. Where is the European Investment Bank headquartered?

Why is the equilibrium established in the evaporation of a liquid in a closed vessel at constant temperature called dynamic equilibrium?