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imgrate (immigrate)
which were (are) developed countries
their home countries faced (face)
in their home countries (there is ) lot of competition
careerier (Career)
There is no need to explain reasons in introduction
doctors and teachers have not got (don’t get) extra facility
to (in) the United States of America
To (In) conclusion
Feedback : This essay is not answering the question (what problems this trend is causing) . There is need to work on all the four parameters. Basic sentence formation definitely needs to be consider.