What two things did former British prime minister Winston Churchill affirm in his Iron Curtain speech?

The two things He did was he affirmed the building of iron curtain by soviet and that the Europe would be against it.

Explanation:

In his Iron Curtain speech, Winston Churchill affirmed his wish to side with the United States against the Soviet Union and his belief that only the United States possessed nuclear weapons.

Winston Churchill used the Iron Curtain expression to refer to the border, not only physical but also ideological, that divided Europe into two blocks after World War II. Churchill popularized the term at a conference in the United States in 1946, when he said:

"From Stettin, in the Baltic, to Trieste, in the Adriatic, an Iron Curtain has fallen on the continent"

The frontier of which Churchill spoke divided the socialist states, headed politically, economically and militarily by the Soviet Union, and the capitalist states, aligned with the United States.