Which topic is often used as a theme for studying world history since world
war i?

 Decolonization And Nationalism

Mark branleist please

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

the answer to your question is

transform it from an expensive luxury to a mid-priced good