Destination area for emigrants, pls helppp

Read the article titled "trans-saharan migration routes to north africa and the eu: historical roots and current trends." why do tens of thousands of sub-saharan africans try to cross the mediterranean each year? how are these refugees commonly portrayed? (site 1)

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas

How did mercantilist policies european countries build wealth and power