The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible -- better control, if not eradication, of the other infections such as measles and yaws. The success of the program to eradicate smallpox has stimulated experts to pursue something they had not previously considered possible -- better control, if not eradication, of such infections as measles and yaws. Can someone help me to understand the difference between above two sentences ie usage of what and usage of something?
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pokhSartre believed each individual is responsible for choosing one course of action over another.In my opinion, they're not the same.
Sartre believed each individual is responsible for choosing one course of action over the other.