Example of labour saving devices

How did unions impact people and businesses? Why are black males ages twenty-five to twenty-nine more likely to be in jail than are Whites and Hispanics? How did nomadic peoples both contribute to and slow down the development of civilization? What do homeless families do without no money and on the street? What is the theory of a feminist? What phrase did Ras cardo coined to show the role of technology in society today? What is water pollution and describe how concerns us? What are the effects of clean coal on the environment? Is a slap in the face considered child abuse? What changes in a habitat would cause a population decrease? When did migrant workers start and why? How chemicals can both hurt and help the environment? Can people relocate to the forests without harming the environment? What are the largest individual donations to a US college? What is severe bullying What are the signs of a person severely bullying another person? How did Malcolm X's ideas about the relationship between African Americans and white Americans change by the time of his murder? How do you get a work permit in California? How can you get your cruch to like you back? How can you start a salvation army in Greece? Why should environment protection should be the number one priority?