What are the following steps in historical method

How did the growth of railroads american businesses expand

The structure of the federal bureaucracy is well-known as being large and complex. which of the following is not part of the federal bureaucracy?

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.