Answer:
The kingdom of Songhai, also spelled Songhay, West Africa's great trade state, focused on what is now central Mali on the middle reaches of the Niger River and gradually spreading west to the Atlantic coast and east to Niger and Nigeria.
While the Songhai people are said to have settled in the city of Gao about 800 CE, during the reign of the dia Kossoi, a Songhai convert to Islam, they did not consider it as their capital until the beginning of the 11th century. During the next 300 years, Gao prospered and expanded so much that the rulers of Mali added it to their kingdom from 1325 to 1375.
He argued that the federal government had the right to charter a national bank, and that state governments had no right to impede its functions through taxation, good luck!!
In 1918 H1N1 Or "The Spanish Flu" emerged and was extremely contagious. It was a Novel Virus just as SARS-CoV-2 (Coronavirus) is. Within months H1N1 spread to almost every country on the planet and was considered a Pandemic. The reason it was called "The Spanish Flu" is because Spain was the only country to report this in their news media. similar to what china tried to do by not reporting about the virus at first. The reason the 1918 was so deadly was because it emerged right as World War 1 ended and soldiers where moving all across the planet to return from the war to their home country which made the virus spread like wildfire and now with SARS-CoV-2 millions of people travel to the other side of the planet within hours daily which made it spread so fast.
D : the establishment of joint stock companies seeking to profit from New
World resources
Well, considering a consumer economy needs low income workers to service, then it would be the poor.