GDP is significant because it provides information on the size and performance of an economy. The real GDP growth rate is frequently used as a gauge of the economy's overall health. An increase in real GDP is viewed as an indication that the economy is performing well in general.
That statement is false
Leading question refers to the question that is thrown out to obtain the answer that we want. If a mediator throw a leading question, both parties tend to directly blame each other which prevent the mediator to provide a solution. What the mediator should do is listening to both perspective first and used it as a basis to make a solution.