The crowd, some with signature red hats bearing US President Donald Trump's name, cheered when the man on the stage asked if they were happy that America was becoming great again.

But instead of somewhere in the United States, this scene was playing out in an arena in a southern Polish city, complete with a dusting of red or blue "Make Poland Great Again" hats.

Hundreds had come for the first Polish edition of the Conservative Political Action Conference (CPAC), a US convention that has been around for decades and has become a celebration of Trump.

The event in Rzeszow is a sharp signal of the hold the US leader's particular brand of conservatism has in Poland, which is days from picking a new president from a field that includes a big Trump fan.

"Are you happy that America is getting closer to being great again? Did the reelection of Donald Trump bring you joy, make you happy?" CPAC organiser Matt Schlapp asked the crowd, which responded with applause.

"We thank you for your courage to be in this room, to stand with us as we fight a most........

© International Business Times