The processes of urbanization, specialization, and trade in medieval europe led to
a decrease in economic opportunities for the lower class
the growth of the middle class in urban centers
a new system of bartering controlled by merchants
a decrease in opportunities for apprenticeship

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.

1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office