I need help!! How the changes in technology from spear, to atlatl, to bow and arrow improve the American Indian’s way of life? Did these changes come slowly or quickly? Explain

What evidence is there of early people being able to specialize in doing activities which made life better for the whole society?

Theodore roosevelt beloved that the only checks on presidential power were

The constitution protects the rights of citizens by limiting the power of government

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.