Answer:
Weight Gain. You will gain weight if you consume more calories than you expend. ...
Nutrient Deficiencies. ...
High Blood Pressure. ...
Answer/Explanation:
An irrigation system represents a stable food supply because it is how they controlled water to be able to plant crops. A second most important artifact that is in the category of stable food supply is the plow. Agriculture produced enough food that people became free to pursue interests other than worrying about what they were going to eat that day.
Manufacturing in the 1800s was the beginning of the American industry. This new era introduced factories that assembled and shipped goods faster than any household manufacturer ever could. However, the growing industry was very expensive. Seeking money, corporations grew in which Americans could invest money and gain "stock" for each corporations success.
This was also the cause for the recession in 2007. After the housing bubble burst, Americans stopped spending money. With no one spending money, prices on goods went up and people stopped spending EVEN MORE money. The recession caused an exponential amount of unemployment and poverty in the US.