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%.
About the Great Depression. The Great Depression was an economic slump in North America, Europe, and other industrialized areas of the world that began in 1929 and lasted until about 1939. It was the longest and most severe depression ever experienced by the industrialized Western world.