Which statement best describes the different ways Herbert Hoover and Franklin Roosevelt reacted to the "Bonus Armies" that marched on Washington during their presidencies? Hoover invited the leaders to the White House; Roosevelt refused to acknowledge their presence.

Hoover sent in troops to break up their camp; Roosevelt sent his wife to their camp to meet with the marchers.

Hoover agreed to pay the veterans their bonus; Roosevelt had the leaders arrested for treason.

Hoover gave the marchers government jobs; Roosevelt said there was nothing he could do for them.

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.