Which represents the best keywords to search on when writing a research paper and economic changes in the us after world war ii

the more accurate and better phrase, I think, would be option B.changes in US economy after World War II

Explanation:

option A. can include the changes the States had during the war too.

option C. does not point out to the changes in US

option D. includes comas which is not really in the form of a real command. a query for search must not include these characters, though you may get the result at times.

so I think the right answer would be option B.

B. changes in US economy after World War ll

Explanation:

originally he was supposed to be dead but they wanted to continue the series so they brought him back to life.

imma have to go   the third option

sorry if i am wrong hope this

if i am right plz give me brainliest