A
In Western Europe in the period 500 to 1000 CE the architectures and the art forms are still based on the religions.
B
In the late Middle Ages there was a significant change on the feudal system which was declined and was represented by the development of some centralization of monarchies.
C
Although the decline of feudalism promoted the increase in commerce and growth of cities which largely help the western Europe. The increased power of the kings to control a larger state is the most significant fact that contributed to even more developments. As states was developing more unified systems such as economic monetary system and laws, it promoted the centralization of the power and developed the basic concept of modern countries.