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).
Over the next century, the Ottomans developed an empire that took in Anatolia and increasingly larger sections of Byzantine territories in Eastern Europe and Asia Minor. Ottoman expansion into Europe was well underway in the late 14th century.heir empire was centered in present-day Turkey, and extended its influence into southeastern Europe as well as the Middle East. Europe was only temporarily able to resist their advance: the turning point came at the Battle of Varna in 1444 when a European coalition army failed to stop the Turkish advance.