Prime Minister of Poland president to fully disrupt the government, and further strengthening the prime minister's position. Under President Aleksander Kwaśniewski, Prime Minister Jerzy Buzek's government became the first administration to be elected under the new constitution. Despite being from opposite parties (Kwaśniewski's center-left Social Democracy of the Republic of Poland and Buzek's center-right Solidarity Electoral Action), the relationship between both offices was smooth, partly due to Kwaśniewski's non-confrontational personality. Kwaśniewski sparingly used his veto powers in legislation the president did not agree with, choosing to let the government's concordant with the Holy See, a new lustration act and new electoral statutes to proceed
Jerzy Buzek ever, becoming the first person from the former Eastern Bloc and the first former Prime Minister since Pierre Pflimlin to gain that position. He succeeded the German Christian Democrat MEP, Hans-Gert Pöttering. He pledged to make human rights and the promotion of the Eastern partnership two of his priorities during his term of office, which will last two and a half years until, due to a political deal, Social Democrat MEP Martin Schulz will take over. In his inaugural address in Strasbourg, Buzek stated that among the greatest challenges faced by the European parliament were the economic crisis, European solidarity,