What major religion caused the global contraction of christianity in afro-eurasia after the 7th century ce?

Which of the following was a goal of european conservation in the early 1800

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

What does the term “escalation” refer to?