The important natural resource in West Africa that the Songhai Empire controlled was salt.
A.) Salt mines in the sahara desert is the answer.
C the increased outside contact due to the crusades
Because the Articles of Confederation where extremely weak forms of government and pretty much had to be scrapped before the constitution was written.
In March 1917, the army barracks at Petrograd united striking workers in challenging socialist reforms, and Czar Nicholas II was enforced to step down from his leadership. Nicholas and his family were first detained at the Czarskoye Selo palace, then in the Yekaterinburg palace near Tobolsk. In July 1918, the improvement of anti-revolutionary forces caused the Yekaterinburg Soviet forces to fear that Nicholas might be set free. After a secret meeting, a death sentence was approved on the imperial family, and Nicholas, his wife, his children, and several of their servants were gunned down on the night of July 16.
In world war 2 industrial mobilization was more important. An example of this can be seen with the german reich. Germany at the beginning of the war had stockpiles of equipment to rely on and were a powerhouse that nearly won the war before the United States even entered however as they started getting bogged down their stockpiles dwindled and their industry could not keep up ultimately resulting in their downfall. Another reason for this is the fact it is easier to send allies equipment than it is to send them men.
