Answer:
The Dutch education system explained
In the Netherlands, education is compulsory for children from the age of five to 16. However, most children begin their education at age four. Dutch elementary or primary school has eight grades, known as groupen. These range from Groep 1 (4-year olds) to Group 8 (12-year olds).
Explanation:
Negative self talk is just an expression of perceived risks
Several of these questions are opinion, so I can't really help with those, but I can answer the first one.
After World War I, the League of Nations was created to try to help keep the peace and solve problems between nations. The same went for the United Nations after World War II. There were also the treaties that ended the wars. (You'll have to decide whether or not these were actually successful.)
