Why did allied leaders meet in 1944 to make plans for post war world

a. the atomic bomb had been tested and the ussr and britain demanded that the us share the technology
b. they were losing the war and needed a new strategy
c. they were winning the war and the rebuilding of europe needed to be discussed
d. mussolini had been overthrown and italy needed to be rebuilt

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change