Please help !! This is forensics

Whic new weapon increased the importance of footsoldiers during the hundred years’ war?

Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

In the construction of a new housing development which factor of production can be categorized as land?