What did many western leaders fear when the people's republic of china and the soviet union signed a treaty of friendship and alliances?

Which political organization lobbied government officials to control the immigrant population

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

In 1819, what did the united states obtain from spain for $5 million?