What was the traditional economic foundation of Europe and medieval Europe? How did advancement in technology impact Europe’s development?

Feudalism as an economic model of medieval Europe.

Explanation:

The European economic system was based on feudalism. All the land was in the monarch's hands, and he assigned that land to the nobles. The land was worked by peasants who fed the complete system and had the right to keep part of the income for themselves. In return, the nobles had to provide the monarch with a part of the soldiers (depending on the plot's size) in case of war. Technological progress was recorded only with the Industrial Revolution's appearance, which strongly influenced the development of the European continent.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.