Why did Deng Jiaxian make the nuclear bomb?

With selfless dedication, unremitting research, as well as in extremely difficult conditions, in the case of the whole year can not meet with his family, in the isolation of the nearly closed environment, all the energy, enthusiasm, and hope are dedicated to the motherland's national defense strategy cause, which also includes a lot of cooperation with each other, scientific research workers, are worthy of our respect of the predecessors.

In fact, you just need to patiently look at Deng Jiaxian's biography, from which you can feel a lot of things in your own mind, probably do not need to raise this issue.