CLEAN : North Korea holds anniversary parade in Pyongyang

The video provides a brief introduction to the concept of union, explaining its basic principles and applications in a concise manner.

What is the primary focus of the union concept introduced in the video?

• Combining different elements into a single entity

• Highlighting differences between elements

• Eliminating unnecessary elements

• Dividing elements into separate groups

How is the union concept applied in the video?

• By showing a practical example

• By listing its advantages

• Through a theoretical explanation

• By comparing it with other concepts