The Black Death was a disease. And was spread when packages were sent from Japan to the USA. And from there spread to airports and travel rings.
Most of just the common average citizens. You see, after WW1, reparations were high in Germany. Inflation rose and people were getting desperate for food and work. When the great depression hit, it hit Germany the hardest. The average German person was driven towards Hitler and the nazi party as Hitler said the Germans were not to blame and that he would fix all of their problems.
The correct answer of this question is letter D option. African colonies of France and Britain joined the war effort on the side of the Allies because they thought it would bring them independence after the war. After the war, Roosevelt brought up the independence of the African colonies. Then democratic government was introduced to the colonies.
The wealthy Egyptians performed in death rituals it was easier for the rich to participate in the rituals
The government had agreed to stop funding Shinto, which those they made the treaty with hoped this would take power away from the Emperor. So Shinto became more of a culture thing instead of a religious thing.