America and Britain is usually the leaders of any UN coalition force
hope this helps
<span> 30% growth in GNP between 1922-1928
Automobile and automobile-related industries were booming and employed almost 4 million workers.
Unemployment was low between 1923-1929. Only about 3%.\
High purchasing power. People were spending money with their higher wages.</span>
Yamamoto’s primary objective at Pearl Harbor was demolish as much of the American fleet as possible, since the Japanese thought that the US getting involved in World War II was inevitable and wanted to strike first.