GENERAL KNOWLEDGE

Detailed explanation-1: -The traditional polders in The Netherlands have been formed from the 12th century onwards, when people started creating arable land by draining delta swamps into nearby rivers. In the process, the drained peat started oxidizing, thus soil levels lowered, up to river water levels and lower.

Detailed explanation-2: -Polders are tracts of land that lie below sea level and are reclaimed from the ocean, lakes, rivers or wetlands through the building of dykes, drainage canals and pumping stations, according to Dutch experts that CNA spoke to. “Polders are land reclamations, but not all land reclamations are polders.

Detailed explanation-3: -Polders are most commonly, though not exclusively, found in river deltas, former fenlands, and coastal areas. Flooding of polders has also been used as a military tactic in the past.