What led to the development of slave codes? Why couldn’t slaves earn property?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

He government, which was designed for the people, has got into the hands of bosses and their employers, the special interests. an invisible empire has been set up above the forms of democracy. –woodrow wilson who or what does wilson believe is controlling the us government?

Which phrase best completes the diagram?