The US used island hopping
Answer:
Why did the United States refuse to join the League of Nations? ... the League of Nations could have prevented the outbreak of the Second World War if the United States had joined? ... Why did the Wilson not help even though it was his idea?
Explanation:
Answer:
yfugfgddffffggggghhhgdddddcghjidegik
As early as 1920, i believe.