Two notable advancements Darius the Great of Persia was known for were: the defeat of Alexander the Great and the development of the Persian Empire
the minting of coins and the development of agriculture along the Ganges
wars with the Babylonians and dividing his territory
unifying a massive Persian Empire and the developed of system using coins

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.

“a committee reviews the bill and marks it up to make it more viable and to reflect interests 

this is a good question! i'll do some research and come back when i have the answer!