By selling advanced tickets to settlers who planned to move west
In the Middle East, the Islamic world coveted and purchased in bulk Chinese goods such as silks, lacquerwares, and porcelain wares. Songs, dances, and musical instruments from foreign regions became popular in China during the Tang dynasty.
The Kansas-Nebraska Act was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of Kansas and Nebraska to decide for themselves whether or not to allow slavery within their borders.
I would think d right? It says no safety precautions?