[15] It was eurosceptic,[7][16] Anti-LGBT[17] and its staunch opposition to same-sex marriage was cited as a main reason it left the ECR group in the European Parliament in 2012.

[23][24][25][26] In its 2013 program, United Poland called for the government intervention in the economy, especially tax policy.

[28] Law and Justice Prime Minister Mateusz Morawiecki has blamed United Poland for failures associated with these reforms, while Ziobro has criticised Law and Justice and President Andrzej Duda for blocking elements of the reform package.

[33] In 2012, their MEPs left the European Conservatives and Reformists (ECR) to join the Europe of Freedom and Democracy (EFD) group in opposition to the ECR's more liberal stance on gay marriage, its support for the EU's climate change policy, and its advocacy of cuts to the Common Agricultural Policy.

[34] Sovereign Poland merged with Law and Justice on 12 October 2024 during PiS congress in Przysucha,[35] despite concerns from some high-ranking members of both parties.