Continuous improvement is an operations concept developed in
a. the united states
b. sweden
c. japan
d. germany
e. canada

a is your answer

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for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: