What dramatic changes in tools took place near the end of the paleolithic period?

At the end of the Paleolithic period a number of changes in tools happened. Firstly, they began to develop composite tools like a spear, for example. Furthermore, some specialized tools were created, such as bone needles for primitive sewing and  arrowheads, which were used for hunting. All in all, the majority of tools in that time were made either of stone or bones.

- "the four new england colonies of colonial america included colonies of new hampshire, massachusetts bay colony, rhode island and connecticut."

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gaius cassius longinus and marcus junius brutus, former enemies of julius caesar who'd joined the roman senate, led caesar's assassination, dubbing themselves "the liberators." and the second one is   the assassination of julius caesar was the result of a conspiracy by many roman senators led by gaius cassius longinus, decimus junius brutus albinus, and marcus junius brutus. they stabbed caesar (23 times) to death in a location adjacent to the theatre of pompey on the ides of march 15 march 44 bc.