Teresa read the following paragraph about closed circuit tv, or cctv:
cities are increasingly turning to cctv surveillance as a public safety tool. a vocal minority opposes these systems, because they are expensive and do little to prevent crime. however, the systems have proven effective as crime-solving tools. instead of relying on sketches based on unreliable human memory, authorities can now use photographic-quality video stills to identify a person of interest.
what was the author’s purpose for writing this passage? will make brainliest.. im being

what are the choices for abcd

the correct answer is b. in order to explain a point clearly in an essay, it is always better to include a clear example of your ideas. including an scenario in which a family is affected by consumerism will support your argument as well as supporting details, such as quotations from experts and statistics. option a could be correct, but statistics and quotations are supporting ideas rather than clear explanations. choices c and d are simply inadequate. they do not add information about the effects of consumerism, rather they are strategies for engaging the reader