The correct answers are A) Germany was held responsible for the war and had to pay other countries for their losses and B) Millions of people had been killed using new technologies that had been invented during the war.
The two sentences that describe the state of Europe after the war are "Germany was held responsible for the war and had to pay other countries for their losses and millions of people had been killed using new technologies that had been invented during the war.
During the Postdam, close to Berlin, Germany, the Allied leaders gather together from July 17 to August 2, to establish the way the Allies were going to punish Germany for war crimes, manage Germany economy, and establish reparations and boundaries. Regarding the millions of people killed in the war with new technology and weaponry, the definitive example is the atomic bombs that the United States launched over Hiroshima and Nagasaki, Japan.