Developed countries are adversely affected by non-developed countries due to increased immigration to search for better jobs, thus leading to increased population in those countries.
Economically, the industrial revolution at the start of development leads to a growing economy. In a political point of view, there are forms of superiority that creates an imbalance that instead leads to racism. Cultural, economic leads to imperialism such as language barriers that later creates different levels of hierarchies, especially in societies of the western regions.