A divided opposition contributes to an increase of violence because it divides the people, government, etc. It leads to an increase of tension between different groups which in result, leads to an increase of violence.
The correct answer is letter C. <span>The flood plains around the Ganges and Brahmaputra Rivers support agriculture needed to sustain large populations. The rivers were a huge factor in making the soil fertile for agriculture, this was a great leap for human history because we have shifted from hunting and gathering to domestication and agriculture. It made our lives easier and it supported a lot of people in large communities.</span>
The answer is "positive symptoms".
Positive symptoms refers to the "Feelings or practices that are typically not present, for example, Trusting that what other individuals are stating isn't valid (daydreams) or Hearing, seeing, tasting, feeling, or noticing things that others don't involvement (fantasies) or Scattered discourse and conduct".