shortage is incorrectly written, and should be written as "shortages" being its meaning:
shortage = escasezLa insufficiency is the inadequacy of basic resources such as water, food, energy, housing, etc., that are considered fundamental to meet the survival or non-core resources that meet different needs in human societies in various aspects.Usually a single company does not have sufficient resources to provide adequately the needs of its population, so it is necessary to Exchange and trade in goods and services. The shortage forced to prioritize the needs and goals of the society.
