Why Did Bismarck Bring Germany into the "Scramble for Africa

Why did Bismarck bring Germany into the "scramble for Africa?"

A) to gain national prestige and make Germany a great power
B) to satisfy public opinion, which was in favor of extensive territorial expansion
C) to add to the kaiser's personal gain and position
D) to find cheaper sources of labor as well as raw materials
E) to distract the German people from the severe economic depression