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.
Slavery was practiced in some parts of Africa, Europe, Asia and the Americas for many centuries before the beginning of the Atlantic slave trade. There is evidence that enslaved people from some African states were exported to other states in Africa, Europe and Asia prior to the European colonization of the Americas.he Atlantic slave traders, ordered by trade volume, were: the Portuguese, the British, the French, the Spanish, and the Dutch Empire. Several had established outposts on the African coast where they purchased slaves from local African leaders.