India, June 16 -- US President Donald Trump has once again sharpened his rhetoric on immigration, arguing that large-scale migration from developing nations could fundamentally alter the future of the United States.

In a post on Truth Social on Monday, Trump linked immigration to his long-standing political slogan, reinforcing the issue as a key part of his agenda.

He wrote, "Sadly, if you import people from Third World Countries, you quickly become a Third World Country-- And there's not a thing you can do about it. Make America Great Again!"

The message "Make America Great Again," defined Trump's political movement for years, featured prominently in the message, highlighting his continued focus on immigration and national identity. ...