the first one I think, hope this helps
<h2>Stone Age</h2>
The Oldowan toolkit, which includes hammerstones, stones with chipped flakes, and stone flakes with sharp edges used for cutting, is one of the first tools used by humans. These tools can be <u>traced back at least 2.6 million years to the Stone Age.</u>
They were different, because in Thinker's case it was ruled in the favor of the students. They had the freedom to publish whatever they wanted, as long as it was not disruptive . In Hazelwood's case it was ruled in favor of the school, because the educators had a power to decide what could be published in student's newspaper.
found guilty of heresy for his Dialogue