Africa has very limited resources but Europe and America still produce good and other goods.
The reasons that totalitarian states arose after WWI are many. The economy of many countries was shattered by the costly conflict (especially Germany, being forced to pay reparations), causing socialist and communist ideas to flourish. The scars on society left by the war allowed for embittered populations to be swayed by good orators that could play to the crowd's emotions; Hitler liked to appeal to a desire for revenge in the German people, for instance. Also, as mentioned before, new ideas spread during the war, many involving government, often causing factions to fight over a country, with one finally coming on top, usually led by a single, charismatic individual.
They wanted to be independent from being in control of other nations.
Hope that helps.
=)
D. It imposed taxes on merchants who used gold trade routes that passed through Ghana
Yes! Trains started to be built in 1839 to connect the royal palace of Naples to the seaside. More were built in 1861 to connect from the Alps to Sicily.