An autoimmune etiology also is demonstrated by the occurrence of a Sjoegren-sjÃ¶gren type syndrome after allogenic bone marrow. Transplantation a selective defect in-aquaporin 5 is thought to contribute to decreased lacrimation and dry eyes in patients WITH. ss
There are two countries in Africa which are considered by some scholars to never have been colonized: Liberia and Ethiopia. The truth, however, is much more complex and open to debate. What Does Colonization Mean? The process of colonization is basically the discovery, conquest, and settlement of one political body over another.
In the 1870s, the Belgian King Leopold sent emissaries to establish trade with native Africans in the Congo. This single act began a flurry of imperialistic activity as the other nations of Europe, including: France, Great Britain, Germany, Spain, Germany, Italy, and Portugal.n the latter half of the 19th century, dramatic changes occurred, as Europeans began to explore Africa's interior, and by 1914, virtually the entire continent was colonized by one or the other of the competing European countries.