Which of the following countries are compact states? PLEASE HELP

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.

Free points + brainliest ! only for correct answer when a vehicle is in motion, it has a. no weight b. no inertia c. potential energy d. kinetic energy

Identify one similarity between china and europe that explains their decisions on wether to explore or conquer lands around the indian ocean