How did the high demand for tobacco led to labor shortage?

Spain introduced tobacco to the Europeans, and it became a heavily traded commodity. A popular habit of smoking was forming . Following the industrial revolution, cigarettes became hugely popular worldwide. In the mid 20th century, medical research demonstrated severe negative health effects of tobacco smoking, which led to a sharp decline in tobacco use thus no more people buying tobacco meaning the tobacco farmers were out of work.

Explanation:

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.