I would say "A". Because he is looking to see the moat the fear of the disease had on everyone's day-to-day lives.
The correct answer is Aztec.
Explanation: The Aztecs were the main Mesoamerican civilization and one of the main pre-Columbian civilizations. They built their capital in the mid-fourteenth century and had a rich culture that inherited elements from various peoples of Mesoamerica (Central American region that corresponds to countries like Mexico, Guatemala, El Salvador etc.), such as Toltecs and Mayans. Their society was hierarchical, each having its own specific role.
for Japanese Americans they faced discrimination. There homes was taken away and they where forced in to concentration camps. The Japanese Citizens in big and important citys faced bombing and there homes destroyed.
It is A he was responsible for most reforms of his father and many others, including judges, abolishing corporal punishment, promoting local self-government through the zemstvo system, imposing universal military service, ending some privileges of the nobility, and promoting university education.