How Germany Responded to the Heatwave: A Comprehensive Approach

Germany tackled a recent heatwave with a multi-pronged approach, with a strong emphasis on public awareness and safety. The country issued a nationwide heat warning, ensuring that citizens were well-informed about the potential risks associated with extreme temperatures. This proactive measure, as stated in the passage, highlights Germany's commitment to protecting its population during challenging weather events. Therefore, the correct answer is D. It warned the whole country of the heat.