Answer:
Its power came, above all, from trade. empire's total area included nearly all the land between the Sahara Desert and the coastal forests. The 1599 battle of Djenné marked the effective end of the great Mali Empire and set the stage for a plethora of smaller West African states to emerge.
The Constitution<span> of 1776 established the former colony's </span>first<span> independent government. ... The </span>Constitution<span> was amended in 1777 when </span>South Carolina <span>became the second colony to ratify the Articles of Confederation. The Articles of Confederation were the </span>first written constitution<span> of the United States of America.</span>
The answer is Great Depression
It is hard to say without looking at your source (textbook or article if you have one associated with this question) but in the most recent studies, it has been Islam.