 During the 1980s and 1990s, Bethe campaigned for the peaceful use of nuclear energy, arguing against the nuclear arms race and against nuclear testing .
<clarity>  During the 1980s and 1990s, Bethe campaigned for the peaceful use of nuclear energy, arguing against the nuclear arms race and against nuclear testing .
 During the 1980s and 1990s, Bethe campaigned for the peaceful use of nuclear energy, arguing against the and against .