He should use chronology to analyze the order of events.
Answer:
The number of people in the workforce increased by about three million. The number of people in the armed forces declined by one million.
Answer:
<em>"U.S. President Herbert Hoover offered a plan that he hoped would ease the international economic crisis and provide time for recovery. Hoover issued a public statement in June that proposed a one-year moratorium on the payments of World War I reparations and war debts, postponing both principal and interest."</em>
Cars from Japan, Tea from Sri lanka and Rice from India
Should be christopher columbus