The advantages are that the bags and sand are inexpensive. When empty, the bags are compact and lightweight for easy storage and transportation. They can be brought to a site empty and filled with local sand or soil. Disadvantages are that filling bags is labor-intensive.
Developments are inevitable in a given society. Economies will always rise in the long run; the opposite happens very rarely. These economic uptrends are due to developments. For such developments to affect the economy, they definitely have a large impact to the individuals being affected by the company.
For example, the technological development around the world has affected religious cultures. I have seen monks in Thailand who are taking selfies with their smartphones. Although it is not morally wrong, their way of lifestyle has changed because they have to keep up with the developments.
A Gubernatorial Election is the election for the Chief Executive of a State, better known as a Governor.
Each State decides how often to elect a Governor and by what rules they want to elect but the typical term is four-years with a two term limit, similar to the US President.
Depression would be the correct word.
If someone’s knows there going to die, they would go through a depressing stage.