Answer:
Economic, Environmental and political.
Explanation:
Permanent move from one country to another due to various reasons is called migration. Throughout history people has moved from one place to another to explore their world. Migration has impacted world culture since its beginning.
There are three main causes for migration, It falls into three categories: Economic, Environmental and political. While speaking of migrations experts talk about push and pull factors.
The factors that push people out of an area are called push factors while the factors that pull people toward an area is called pull factor. Ex. while talking about the environment lack/depletion of natural resources can be a push factor while availability of land at some other place can be a pull factor.
Answer:
the caravel
Explanation:
it was a type of ship used in the 15th century
Answer: Vikings, Muslims, and Magyars invaded Europe at a time of political weakness.
Explanation:
Feudalism refers to a system where the King or Queen was the absolute monarch and as a result owned all the land but could give it to Nobles who would then become rich and powerful.
This system was as a result of people needing such protection that they bounded around the Nobles to protect them when invasions from groups such as the Vikings, the Muslims and the Magyars threatened their security in a way the monarchs could not effectively protect them.