In the Middle Ages large areas of the Netherlands were flooded by the sea. What was the reason?

peat extraction
tectonic movements
rise of the ocean level
building dams over rivers
Most of the areas below sea level are man-­made, caused by cen­turies of ex­ten­sive and poorly con­trolled peat ex­trac­tion, lowering the surface by several meters. Even in flooded areas peat ex­trac­tion con­tin­ued through turf dredg­ing.

Answers distribution

peat extraction
tectonic movements
rise of the ocean level
building dams over rivers
answers
flagthe United Arab Emirates
91%
0%
8%
0%
12
flagNorway
81%
6%
12%
0%
16
flagFinland
75%
8%
16%
0%
12
flagItaly
59%
9%
27%
4%
22
flagthe United Kingdom
56%
9%
16%
17%
122
flagGermany
55%
7%
20%
16%
79
flagthe United States
53%
15%
9%
21%
52
flagBelgium
53%
0%
30%
15%
13
flagPoland
46%
12%
19%
20%
4609
flagthe Netherlands
46%
5%
23%
23%
98
flagRepublic of Ireland
43%
8%
30%
17%
23
flagSwitzerland
36%
0%
18%
45%
11
flagUnknown
30%
15%
21%
32%
146
flagSweden
30%
30%
20%
20%
10
flagFrance
30%
0%
20%
50%
10
flagIndia
15%
0%
61%
23%
13

Gender

men45%
women43%
peat extraction
45%
44%
tectonic movements
13%
15%
rise of the ocean level
18%
21%
building dams over rivers
23%
18%

Language versions

question
answers
results
flag
In the Middle Ages large areas of the Netherlands were flooded by the sea. What was the reason?
113
38%

Details

Author: Kasia
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.