A Line Graph shows chage over time.
During the World War II the industry and the manufacturing of weapons by the war production plants was a major enterprise and the need for a trained security increased exponentially. The on site security was needed to prevent theft, sabotage and espionage. The security companies even started training their own security staff which was well trained and their training in time was close of that the police got. Some companies even had their own private investigators among their number.
<span>1. The Civil War was fought over the issue of whether a state could secede from the United States. </span>
The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. Independently discovered in 1851 by William Kelly, the process had also been used outside of Europe for hundreds of years, but not on an industrial scale.
Answer:
a is farmers, b is hunter-gatherers, c is farmers and d is hunter-gatherers
Explanation:
