C.) Geography plays a role in historic events.
The answer is; Atmospheric circulation patterns keep the temperature of an area constant.
The atmospheric circulation does not keep the temperatures in an area constant, however, they regulate temperatures through convection currents. Hot air rises as cold air mass sinks to replace the rising hot less dense air. These currents transfer energy around the globe and prevent one area from overheating.
Because with maps they knew where to go , without them they will be lost
1) Japanese and Korean languages share considerable similarity in typological features of their syntax and morphology while having a small number of lexical resemblances and different native scripts, although a common denominator is the presence of Chinese characters
2) The military agreement between South Korea and Japan is a military intelligence-sharing pact. ... The reason why the governments of South Korea and Japan wanted to sign it was both South Korea and Japan are U.S. allies and have their own military alliances with the United States.
3)With tensions running high, Japan and South Korea should be reminded about their convergence of interests and potential ways that they could—and should—cooperate to confront their present and future challenges. This piece by Jung Pak and Ethan Jewell originally appeared in The National Interest.
Usually determined by changes in the biota.