He will be shocked that countries have stood up to his attempt to blackmail them. As with most things he is probably under the illusion as soon as he says something the world will listen. He is building a wall but it is at his Irish golf course and he wanted it because of global warming!
“In its 2016 permit application, Trump International cited rising sea levels and extreme weather as its reason to build the wall, Politico reported.
Trump, however, previously claimed that climate change was a "hoax" and was "created by and for the Chinese.”