Please help you can write a small paragraph

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.

What does one prolonged blast and one short blast mean?

These are pieces of information that are not necessarily the meaning or purpose of writing