All of the following are examples of materials except

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

What was the purpose of winston churchill’s “blood, toil, tears, and sweat” speech? a. to inform parliament about nazi aggression b. to inspire the british people to keep fighting the nazis c. to update parliament on what he had accomplished so far d. to convince parliament to go to war against nazi germany

What something thats on the news, and is going on currently?