"<span>b. Wealthy merchants in northern Europe offered enormous sums of money to Renaissance artists who would reveal their secrets" was not a way in which this happened. Renaissance artists and thinkers were not secretive with their methods or ideals. </span>
Answer:
Chairman Mao Zedong launched the campaign to reconstruct the country from an agrarian economy into a communist society through the formation of people's communes. Mao decreed increased efforts to multiply grain yields and bring industry to the countryside.
According to the sites that I've visited and read, the answer to your question "<span>The victory in brown v. board of education was limited by a follow-up 1955 ruling __________" </span> is letter c. allowing states "all deliberate speed" by which to comply with the decision.
Probably the invention of Papyrus (paper)