What is considered the most important power congress holds?

The most important power that the Congress holds is the power to create laws. Any proposed law cannot become applicable until it has been passed by the Congress or rather by the representatives in the Senate and the House of Representatives. In Article 1, Section 8 of the United States Constitution, the powers of the Congress has been detailed. Other than the power to create laws, the Congress also has the power to declare war on a country, establish Federal Courts, raise army, regulate commerce and coin money and also establish the rules for immigration and naturalization.

The constant presence of diseases or infectious agents within a given geographic area or population group. it may also refer to the usual prevalence of a given disease with such area or group. it includes holoendemic and hyperendemic diseases. a holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). a hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. so probably family history.