Columbia Encyclopedia

(Encyclopedia) labor law, legislation dealing with human beings in their capacity as workers or wage earners. The Industrial Revolution, by introducing the machine and factory production, greatly expanded the class ...

(Encyclopedia) Shuvalov, Piotr Andreyevich, Count pyôˈtər əndrāˈəvĭch sho͞oväˈləf [key], 1827–89, Russian administrator and diplomat. An adviser to Czar Alexander II, he opposed the czar's reforms and ...

(Encyclopedia) Gelon jēˈlŏn [key], d. 478 b.c., Greek Sicilian ruler. As tyrant of Gela, his native city, he interfered in the struggle for power in Syracuse (485 b.c.) and made himself the leader of the popular ...

(Encyclopedia) Brunel, Sir Marc Isambard ĭzˈəmbärdˌ bro͞onĕlˈ [key], 1769–1849, British engineer and inventor. Born in France, he came to the United States in 1793 as a royalist refugee. He became chief en...

(Encyclopedia) Highlands, mountain region in the northern extremity of Scotland. It consists roughly of the Scottish area north of the imaginary line from Dumbarton to Stonehaven excluding the Orkneys, the Shetlands...

(Encyclopedia) Northern Territory, territory (2016 pop. 228,833), 520,280 sq mi (1,347,525 sq km), N central Australia. It is bounded on the N by the Timor Sea, the Arafura Sea, and the Gulf of Carpentaria. Darwin i...

(Encyclopedia) post-traumatic stress disorder (PTSD), mental disorder that follows an occurrence of extreme psychological stress, such as that encountered in war or resulting from violence, childhood abuse, sexual a...

(Encyclopedia) Ethiopian Highlands, rugged plateau region of E Africa, covering about two thirds of Ethiopia. It is divided into two massifs by the Great Rift Valley; the Amhara, or Ethiopian Plateau, is the larger ...

(Encyclopedia) Appalachian Mountains ăpəlāˈchən, –chēən, –lăchˈ– [key], mountain system of E North America, extending in a broad belt c.1,600 mi (2,570 km) SW from the Gaspé Peninsula in Quebec prov....

(Encyclopedia) Celaenae sĭlēˈnē [key], ancient city of Asia Minor, in Phrygia, near the source of the Maeander River, in present-day W central Turkey. In the days of the Persian Empire, Cyrus the Great had a pal...