Why are so many people named Jianguo?

The name "Jianguo" often appears in the parents' generation, especially the older generation who experienced the early days of the founding of the People's Republic. The background of that era will affect the names of a group of people. Nowadays, many people born on October 1st are called Founding of the People's Republic of China and National Day to commemorate the significance. In addition, many people use the name "Jianguo" to express their love for the motherland, motivate themselves and contribute to the development and construction of the motherland.