Why were people able to invent new things and perfect their crafts after the agricultural revolution?

Robert morris proposed a 10 percent tax on imported goods to pay the national debt. true or false

What is intervention ? in government terms

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire