Answer:
B. The armies became immobile because of trench warfare
Explanation:
Trench Warfare had stopped the mobilization and progress on both sides for over two years. The Constant stalemate of attacking waves of men to gain little land progress.
After the U.S. landings at Inchon, the North Korean forces were retreating in disarray. MacArthur saw this as a moment to attack into China to reverse the Communist Revolution just a few years before. China attacked fearing the same.
Answer:
C
Explanation:
Gavrilo Princip assassinated Archduke Ferdinand because he had strong nationalist sentiments and did not believe that Austria should rule over Bosnia.