Steam boats, rail roads and telegram made communication and work easy and faster.
Answer: Keynesian economists stated that the recession of 1937 was a result of a premature effort to curb government spending and balance the budget. Roosevelt had been cautious not to run large deficits. In 1937 he actually achieved a balanced budget. Therefore, he did not fully utilize deficit spending.
The answer is Rain forest for this question
It will add another slave state to the nation