The last answer, "Renaissance artists made figures look solid and lifelike by using light and shadow; figures in medieval art look flat," is the correct answer.
A personal responsibility is option D - taking care of yourself and your family.
Obeying laws, paying taxes, and understanding the values in the U.S. Constitution are all civic responsibilities. They are examples of acts and perspectives of civilly responsible citizens.
I hope this helps!
Constantine moved the capital of the Roman Empire because of how dangerous it was to live in.
Well the use of trenches prolonged WWI because it was another kind of land warfare where most of the ground in which they were fighting consisted mostly trenches. These trenches protected them from most artillery and normal gun fire. So it was almost like a stalemate.
