What is a federal system of government

How w.e.b. dubois wanted to improve the social and economic situation that existed for african americans during the early 19th century?

Select the correct answer from the drop-down menu.during the (scientific revolution, renaissance, industrial revolution), european intellectuals rejected many teachings of ancient scientists promoted by the church. to replace flawed theories, scientists began researching and conducting experiments. they used critical and reasonable thinking to draw concrete conclusions. this also led to the (scientific revolution, industrial revolution, enlightenment). it was an age that focused on using reason for understanding laws of nature and identifying humans' natural rights.

Explain one major pattern of cultural interaction between nomadic and sednetary socities in afro eurasia before 1450 ce