Moreover is defined as besides, also or in addition to what has been said. An example of moreover is a parent telling their teenager that, in addition to them coming home late, they also didn't do their chores. in addition to what has been said; besides; further; also: used with conjunctive force.
The depression originated in the United States, after a fall in stock prices that began around September 4, 1929, and became worldwide news with the stock market crash of October 29, 1929 (known as Black Tuesday). Between 1929 and 1932, worldwide GDP fell by an estimated 15%.
The typical bout of major depression, if not treated, will last from six to fifteen months. After this prolonged period of suffering, about 75 percent of people will gradually come out of their depression (even without treatment); for the other 25 percent, it can hang on for months or years.