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nullification

(Encyclopedia)nullification, in U.S. history, a doctrine expounded by the advocates of extreme states' rights. It held that states have the right to declare null and void any federal law that they deem unconstituti...

Mendelssohn, Felix

(Encyclopedia)Mendelssohn, Felix (Jakob Ludwig Felix Mendelssohn) mĕnˈdəlsən, Ger. yäˈkôp lo͝otˈvĭkh fāˈlĭks mĕnˈdəls-zōnˌ [key], 1809–47, German composer; grandson of the Jewish philosopher Mos...

psychotherapy

(Encyclopedia)psychotherapy, treatment of mental and emotional disorders using psychological methods. Psychotherapy, thus, does not include physiological interventions, such as drug therapy or electroconvulsive the...

Bancroft, George

(Encyclopedia)Bancroft, George, 1800–1891, American historian and public official, b. Worcester, Mass. He taught briefly at Harvard and then at the Round Hill School in Northampton, Mass., of which he was a found...

Gothic revival

(Encyclopedia)Gothic revival, term designating a return to the building styles of the Middle Ages. Although the Gothic revival was practiced throughout Europe, it attained its greatest importance in the United Stat...

Nez Percé

(Encyclopedia)Nez Percé nĕz pûrs, nā pĕrsāˈ [key] [Fr.,=pierced nose], Native North Americans whose language belongs to the Sahaptin-Chinook branch of the Penutian linguistic stock (see Native American langu...

Marshall, George Catlett

(Encyclopedia)Marshall, George Catlett, 1880–1959, American general and cabinet member, b. Uniontown, Pa. A career army officer, Marshall graduated from the Virginia Military Institute. He first distinguished him...

Mesolithic period

(Encyclopedia)Mesolithic period mĕzˌəlĭthˈĭk [key] or Middle Stone Age, period in human development between the end of the Paleolithic period and the beginning of the Neolithic period. It began with the end o...

Northwest Territory

(Encyclopedia)CE5 Northwest Territory Northwest Territory, first possession of the United States, comprising the region known as the Old Northwest, S and W of the Great Lakes, NW of the Ohio River, and E of the...

Neolithic period

(Encyclopedia)Neolithic period or New Stone Age. The term neolithic is used, especially in archaeology and anthropology, to designate a stage of cultural evolution or technological development characterized by the ...