Answer:
Explanation:
At the same time, labor unions won long-term employment contracts and other benefits for their members. Farmers, on the other hand, faced tough times. Gains in productivity led to agricultural overproduction, as farming became a big business. Small family farms found it increasingly difficult to compete, and more and more farmers left the land.
The answer is....
The 3rd law
<span>The share of people in the labor force involved in agricultural work has not only declined, it has declined dramatically over the last century. Although agricultural employment had already been in gradual decline from its peak, the widespread introduction of the mechanized tractor and combine in the 1920s caused a sharp decline which has continued, though at a slower pace, to this day. Currently about 2% of the workforce is engaged in agricultural production, down from 50% a century and a half ago.</span>
a lot of power
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It was the world's longest humanmade structure at more than four thousand miles actually constructed from a series of smaller walls that were connected together built to guard against Mongol invaders.
Hope this helps. :D
