What contributed to the fall of both Mali and Songhai?

A) competition from the Mediterranean states

B) devaluation of gold

C) invasion by the Moroccans

D) internal conflicts over succession

How did railroad expansion make natural resources more available in the US? by increasing the amount of natural resource deposits by making it possible for natural resources to be transported to different cities and towns by using natural resources

Match the following items. 1. wrote Uncle Tom's Cabin aWilliam Gorgas 2. authorized the Panama Canal b Andrew Johnson 3. invented the reaper cCyrus McCormick 4. ship was the first to sail around the world d Robert Fulton 5.

What problem did Thomas Edison encounter after he invented the electric light-bulb

What is a climate action plan? A.) An analysis of current energy consumption B.) A plan that outlines global warming issues C.) A plan that describes how global warming affects states D.

Which of the following disciplines is (are) encompassed by land use planning? a. urban planning b. architecture c. transportation planning d. all of the above

Define How does climate differ from weather?

How was land distributed in the south both before and after the civil war

What powers does the legislative branch, Executive Branch, and Judicial Branch have to share with the other branches?

Is leaders elected by voters Athenian democracy or US democracy

How long is a representative term in office