Read these sentences from a concluding paragraph. Which statement best describes the purpose of 1. By around 1700 BCE, most of the cities along the Indus
sentence 1?
River had been abandoned.
It develops the topic.
2. The Indian monsoon rains had weakened, causing less It restates the essay's thesis statement.
extensive floods, and as a result, less food was grown.
It reviews evidence presented to readers.
3. The reduced water supply caused the Indus River valley's O It summarizes the main ideas of the essay,
population to move eastward toward the Ganges River
valley