Ik this is a school app but I've been feelin kinda down in the dumps and don't have anyone else to rlly tell:/ not depressed or anything just off

How is organizing history by theme different from organizing history by region? a. a historian who organizes history by theme focuses on a specific individual, whereas a historian who organizes history by region focuses on a big idea over an extended length of time. b. a historian who organizes history by theme studies a specific time period, whereas a historian who organizes history by region studies a specific individual from human history. c. a historian who organizes history by theme studies a big idea that occurs over an extended length of time, whereas a historian who organizes history by region focuses on a specific length of time. d. a historian who organizes history by theme studies a big idea that occurs over an extended length of time, whereas a historian who organizes history by region focuses on a specific area of the world.

An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration

Briefly explain how one development from the period 1861 to 1865 not directly mentioned un the excerpts supports mcpherson's argument