Appealing to numbers, facts, and statistics is a propaganda technique that
tries to convince the reader by noting that many people believe something to be true, applying facts, statistics, percentages, and cost values to provide the illusion that there is a factual reason to choose a certain product. Large numbers or misleading facts and statistics can be used to confuse. For example, in the UK a poster campaign announcing Colgate toothpaste stated that "More than 80% Of Dentists recommend Colgate", ended up being questioned by the Advertising Standards Authority (ASA).
Because the crisis deepened and he struggles to respond to the Great Depression. The unemployed and the homeless crowded into shantytowns and the giant dust storms swallowed the great plains.