A single seller for they them control the market like if ford was the only place u can get any thing that drove or any locomotive they could raise the price to say 500k per car and what could the people do we can't go anywhere else so were stuck going there its illegal and wrong yet several companies have been found doing it
Children performed all sorts of jobs including working on machines in factories, selling newspapers on street corners, breaking up coal at the coal mines, and as chimney sweeps. Sometimes children were preferred to adults because they were small and could easily fit between machines and into small spaces.
source: https://www.ducksters.com/history/us_1800s/child_labor_industrial_revolution.php
The great depression was started shortly after the stock market crash on october in 1929 it sent wall street into a spiraling panic and destroyed millions of investers
<span>Ibn battuta traded his salt with the Kingdom of Mali. He was a Moroccan traveler and trader from the 14th century. </span>
I believe that the best answer would have to be B. statistics<span> on the number of plane crashes and near crashes</span>