Why did the plane crash in the hudson river?

Losing thrust in both engines but still managing to land an airliner full of people in the Hudson River without the loss of a single life is plenty dramatic. But the drama in Sully, the movie about the 'Miracle on the Hudson' ditching of US Airways Flight 1549 , doesn't stop there. 

True

Explanation:

The balance of trade refers to the difference in imports and exports.This is one component of a country's gross domestic product-exports minus imports.If exports are greater than imports,this trade component of GDP is positive and adds to GDP,while if imports ard greater international trade subtracts from GDP