What made the Neolithic age the new stone age? What was invented that changed the old stone age to the new stone age? help me please

The second westward surge reached the: mississippi river, appalachian mountains, oregon territory

Based on what you read in the fact sheet, identify the type of customer the company is hoping to reach. super-phonic systems wants to sell phones to customers who:

Which of the following answers best describe why the fugitive slave act was so controversial? a fugitive slaves who were caught were to be sent back to africa, and southern states disagreed with this practice. b it required all runaway slaves to be sentenced to death, and most people were against this extreme form of punishment. c fugitive slaves were required to work twice as long before they could be freed, and northern states opposed this. d it required all americans to return runaway slaves to their owners, and abolitionists in free states opposed this law.