A reason why the Civil War lasted four years is that the Union had to fully conquer the South.
The Asian Part of Turkey is located on the peninsula called Anatolia or Anatolian Peninsula. Bosphrorus is the straight between it and the European part.
Answer:
Writing acted as an additional conquest.
Https://www.army.mil/article/49291/pershings_decision_how_the_united_states_fought_its_first_modern_coalition_war
this might help you :)