You can name the following reasons for the victory of the Netherlands:
1) All residents of the state took part in the war against Spanish oppression;
2) Different provinces have combined their efforts;
3) the Netherlands received assistance from other European states;
4) Spain had to fight with England and France.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.