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The Rise of Border Walls in Contemporary Politics
In the 21st century, migration has become a defining political issue in many countries. Economic inequality, armed conflict, climate change, and globalization have pushed millions of people to move across borders in search of safety or opportunity. These movements have fueled political debates about national identity, economic competition, and security.
Similarly, several European countries constructed barriers during the 2015 migration crisis, when hundreds of thousands of refugees entered the continent. Governments argued that physical barriers were necessary to maintain order and prevent uncontrolled migration flows. Yet critics pointed out that many migrants were fleeing war and persecution, raising concerns about humanitarian responsibilities.