The discussion between the pope and Donald Tusk focused on "the Christian moral and religious values, which are part of Poland's patrimony," the Vatican said.
The statement also said the two discussed "traditionally good relations between Poland and the Holy See, which received a special impulse during the pontificate" of Polish-born Pope John Paul II.
Tusk, who won the elections on Oct. 21, also met with the Vatican's secretary of state, Cardinal Tarcisio Bertone, and its foreign minister, Archbishop Dominique Mamberti.
The premier also placed flowers on John Paul's tomb in the Vatican grottos.
"We should use shock therapy to sober up the Americans. In this case, the Americans will speak about the need to resume dialogue. There is no other option"
The United States is concerned about the current crisis in the relations with Russia and suggests returning to reasonable policies to avoid a nuclear war