Describe the rulers, the economy, and the societies of each kingdom. ghana kingdom-mali kingdom-songhai kingdom-

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

Which of these innovations led to increased production in american factories in the early 1800s? a. the use of interchangeable parts b. the construction of canals c. the invention of the mechanical reaper d. the availability of electricity

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?