Countries like and the u. s. epitomize the problems caused by an increasing percentage of elderly people who must be supported by a declining number of skilled workers.

Japan

Explanation:

Japan and the US are among the countries in the world that are facing severe problem of the increasing percentage of elderly people, and a declining number of Kellie people. In order to avoid the problem, both the countries must improve the number of skilled workers to improve and stabilise the work ratio and to compensate for the financial package which is usually given to the elderly population.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

3rd the reason why is because of management and leadership