Original sentence: The abuse and forcible institutionalization of people with Down syndrome was closely linked to early twentieth-century racial and eugenic theory, culminating in the killing of many people with Down syndrome and other disabilities by the Nazi government in Germany in the 1930s-1945, and the creation of compulsory sterilization programs around the world which targeted the mentally disabled
Edited sentence: The abuse and forcible institutionalization of people with Down syndrome was closely linked to early twentieth-century racial and eugenic theory, culminating in the murder of many people with Down syndrome and other disabilities by the Nazi government in Germany in the 1930s-1945, and the creation of compulsory sterilization programs around the world which targeted the mentally disabled