The most solemn service of the Catholic church, commemorating and reenacting the Last Supper, is called ________.

Society should operate entirely in the interest of the needs of the people, communally and cooperatively, rather than competitively, according to which of the following?

A. liberalism B. conservatism C. utilitarianism D. socialism

_____ introduced the classical principle of weight shift into Renaissance statuary

A) Gentile da Fabriano? B) ?Jan van Eyck C) ?Antonio del Pollaiuolo D) ?Donatello