Who controlled the land where the songhai empire was located before it was songhai

What illegal crimes were commited qgainst african american in response to laws to give them civil liberties

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

Reasoning based on the ease with which we can bring something to mind involves the use of the heuristic