An HIV-positive person is said to have AIDS when his or her immune system becomes so weak it can't fight off certain kinds of infections and cancers, such as PCP (a type of pneumonia) or KS (Kaposi sarcoma, a type of cancer that affects the skin and internal organs), wasting syndrome (involuntary weight loss), memory impairment, or tuberculosis.
The Ottoman Empire lasted from 1299 to 1923, with the height being  around the mid 1400s to mid 1500s. They were known for absorbing  surrounding cultures, and making them p â¦ art of their own.o, he believed it was his duty to protect Catholicism against the  Muslims of the Ottoman Empire, the Protestant countries of Europe  (England, Scotland, Netherlands, Switz â¦ erland), and their allies  (France).
In the 16th and 17th centuries, the Ottoman Empire was among the world's most powerful states, threatening the powers of eastern Europe with its steady advance through the Balkans. Its navy was a powerful force in the Mediterranean Sea, Black Sea, Red Sea, Persian Gulf and the Indian Ocean.he Ottoman conquest of Constantinople in 1453 cemented the status of the empire as the preeminent power in southeastern Europe and the eastern Mediterranean. Over the next century, the empire would extend its influence into the heart of the Arab world and come to dominate southeast Europe.