George Pullman started the Pullman strike by railway workers that led to nationwide unrest
Nobles and knights were obliged to protect those who lived on the manor and provide personal and military service to the king.
Are there options or anything
The best option in terms of the significance of the Renaissance would be "<span>. Artists and writers created extraordinary art and literature that combined new and traditional subjects with classical styles and new ideas," since religion still reigned large in the lives of many.</span>
I think that it’s D in my opinion