Why did the british march on concord

Who is considered the father of modern science?

What two things did former british prime minister winston churchill affirm in his iron curtain speech?

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