As far as we know, those would be the Vikings: we know for sure that there was a Viking visiting Northern part of the continent in 11th century.
But we cannot exclude the possibility that there was something before too...
Answer:
Personal factors determine which behaviors in the environment a person chooses to imitate.
Explanation:
Reciprocal Determinism is a model of behavior that states that a person’s behavior is affected by the social environment and personal factors, which are also determined or affected by the person’s behavior.
For instance, children do not form behavior by passively observing their environment but are more involved, choosing their behavior through the interactions they have with the people around them.
Positive: -It helped get western Europe out of feudalism -The Muslims were weakened by the Crusades even though they won and were not strong enough to take over the rest of western Europe. -Advancements in medicine (when the knights were in Arab and Persian nations they saw this advancements and brought it back to Western Europe) -This brought Western Europe with Eastern Europe and laid the start of the Renaissance -We gained knowledge of architecture, literature, and geography, medicine as we mentioned, and maths. Negative: -Many people were persecuted such as the Jews -Western Europe was unable to gain control of <span>Jerusalem.</span>
The empire grew into various countries that fueled the muslim economy. It led to the development of partner ships, using credit, and a banking system