I think it is true! If it’s wrong sorry
An important scientist at the time, besides, those who were mentioned was Copernicus - A.
Spartacus was just a slave general in the Roman republic.
Rousseau was a philosopher.
Plato was a philosopher as well.
The correct answer for that reason is Copernicus, he was an astronomer and a major figure at the time.
Today, I wished I were dead. We are crowded into a tiny space. Animals are given more room to live. I am chained to the men on either side of me. One is sick. He is burning with fever and groans constantly. When he dies, I will be chained to a dead man. I feel sick, too, but it is only the smell turning my stomach. My nose is filled with the odors of sickness and dirt and human waste. I would give anything for a breath of clean air. But I cannot ask. If I do, I will be whipped until I cannot stand. I am afraid I will not survive this journey.
Europe maintained unity after the Roman Empire. 1 through The power of the Papacy and the Christian faith, and 2 Through Feudalism because even though it caused fractures in regions it offered a clear power structure that allowed Strong nations to bring their weaker neighbors under their direct control.