A pandemic<span> is an </span>epidemic (<span>An </span>epidemic<span> is a disease that spreads rapidly among many people in a community at the same time.)</span><span> of </span>infectious disease<span> that has spread through human populations across a large region; for instance multiple </span>continents, or even worldwide.
El feudalismo fue el sistema de organización política, social y económica preponderante en la Edad Media.
In the late 1800s, the first state government reform legislation regarding railroad practices addressed
<span>"a.) dangerous railroad conditions"</span> which was a major issue.