Final answer:
Consumer groups are a type of interest group that provides opinions on products and policies to inform and protect consumers. Their statements are true and should be researched for accuracy. Also, the market revolution led to significant social and economic changes in the U.S.
Step-by-step explanation:
The statement "consumer groups offer opinions and should be researched" is true. Consumer groups, a type of interest group, often provide information, evaluations, and opinions on products, services, and policies to protect and inform consumers. These groups play a role in shaping public policy and company practices by advocating for consumer rights and safety standards.
When consumer groups publish their findings, it's essential to research their claims and the methodologies they use. Not all consumer groups have the same level of expertise or unbiased perspectives. Therefore, while consumer groups can be valuable resources, their information should be cross-referenced with additional sources for accuracy and reliability.
Furthermore, the market revolution in the United States did indeed bring many social and economic changes. This period was characterized by rapid industrialization, the expansion of markets, and significant changes in the transportation and production systems, which transformed the American society and economy.