Ivan the great believed that had replaced rome and constantinople as the new center of he married a princess and even took a title from ancient rome-he called himself which comes from the latin word

Ivan the Great believed that ___MOSCOW, RUSSIA___ had replaced Rome and Constantinople as the new center of __THE CATHOLIC  CHURCH/CHRISTIANITY. He married a ___BYZANTINE/ROMAN princess and even took a title from ancient Rome-he called himself __TSAR___, which comes from the Latin word CEASAR.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.