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.
The correct answer is Option B) Former Roman lands were split up and claimed by Germanic kingdoms.
As the Roman Empire collapsed in Europe, the former lands were claimed by, fought over and split up among competing Germanic kingdoms.
Romans had conquered a large part of modern-day Europe and had defeated tens of little kingdoms and rulers. In modern terms the 'Western Roman Empire' consisted of countries such as Ireland, Great Britain, France, Germany, Italy, Turkey, Spain, Portugal, Bosnia, Hungary, etc.
However, as soon as the Roman Empire gradually collapsed, a power vacuum was quickly filed by the powerful governors, local nobility, and various powerful Germanic tribes.
For example, as soon as the Romans left Britannia, the local kingdoms in Wales, Scotland, England and Ireland started to take modern shape with local kings.
Santa Anna's plan to attack and slaughter