Why did Germany’s allies go over to the side of the Anti-Hitler coalition precisely in 1944?

Because in 1943 there was a turning point in the course of the Great Patriotic War. The USSR began an offensive, not a defensive program, and all countries that held neutrality began to join us.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.