What new technologies were revolutionizing warfare in the 1860s?

The supreme court serves what important function in the u.s. federalgovernment?

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

The system of checks and balances was designed for what purpose? fear of strong state power to keep power out of one branch to appease the southern states to allow the judicial branch to have equal power