Read these sentences from a concluding paragraph. By around 1700 BCE, most of the cities along the Indus River had been abandoned.
The Indian monsoon rains had weakened, causing less extensive floods, and as a result, less food was grown.
The reduced water supply caused the Indus River valley’s population to move eastward toward the Ganges River valley.
Which statement best describes the purpose of sentence 1?

It develops the topic.
It restates the essay’s thesis statement.
It reviews evidence presented to readers.
It summarizes the main ideas of the essay.

During the 1920s, the federal reserve increased the money supply and kept interest rates very low, encouraging consumer spending and the brisk borrowing of money. business investment and the expansion of businesses grew rapidly during the 1920 to meet the needs of this huge consumer spending. however, during the crash of 1929, the federal reserve reversed its expansionary monetary policy and cut off the money supply by almost 30%, causing banks to not have enough currency on hand when depositors wanted their hard-earned money. after reading the prompt, what can you surmise happened next that contributed to the great depression? a) black tuesday b) collapse of banks c) high unemployment d) election of franklin d. roosevelt