Final answer:
Annual reports are the public relations tool used by organizations to communicate their yearly achievements to stakeholders, offering a detailed financial and activity overview.
Step-by-step explanation:
The public relations tool that provides a forum for an organization to share with its stakeholders what it has achieved over the past year is B. annual reports. Annual reports are comprehensive documents designed to give stakeholders and other interested individuals information about the company's activities and financial performance throughout the preceding year.
Unlike other tools mentioned, such as speeches, press releases, and blogs, which may cover a variety of topics and serve various purposes throughout the year, the annual report is specifically tailored to offer a detailed yearly summary and is thereby an essential tool in corporate communication and public relations strategies.
Annual reports are comprehensive documents that summarize the organization's activities, financial performance, achievements, and future plans. They are typically distributed to shareholders, investors, employees, and other stakeholders to provide transparency and demonstrate the organization's progress.
Therefore answer is B. annual reports