It is the excessive use of credit. The shares trading system crash of 1929 touched off a chain of occasions that dove the United States into its longest, most profound monetary emergency in its history. It is awfully shortsighted to see money markets crash as the single reason for the Great Depression. A solid economy can recuperate from such a compression.
I assume you mean WWI as there were only two. In WWI Americans participated. Many of the able men went to war. While the women, children, and disabled stayed and helped with the war effort. Most of the effort back home was from the women.
The two culture areas where farming was the main way of life is Southwest & great plains
<u>Explanation:</u>
Farming which comes under the category of primary activities of the economic activities is the major source of living of a large number of people living in different parts of the world where farmers grow crops and do cultivation according to the geographical conditions of the area and earn their living according to this activity.The two areas of southwest & great plains are Ancient China and Mesopotamia. These areas where this activity was very important for living was the region of Ancient China and the region of Mesopotamia.
New routes to india, east, and america. we discovered cartography, navigation, new technologies, and shipbuilding. we discovered more areas of the world