<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>
It didn't and it did. Just because the case happened in 1954 doesn't mean that schools ended segregation, as a matter of fact it lasted for almost a decade more, if not longer because schools would still refuse to obey. Southern communities were especially supportive of segregation, and even when the civil rights acts were implemented they still didn't support them and they didn't want to be around African-Americans only it had to be hidden. On the other hand, when a Supreme Court makes a decision it does sway people to support it. That is because there is an idea of everyone being equal in the eyes of law and the supreme court is the judge on what is lawful and what isn't based on the constitution. Since there's no greater legal act than the constitution, when the supreme court makes a decision it means that the decision fits the constitution and for many Americans the constitution is almost a holy document that guides their lives. A negative externality can be for example the rise of extremism. During the reconstruction period Ku Klux Klan rose as a negative externality of the era. During the civil acts era they grew stronger again because racist people were enraged by things like desegregation.
There are both good and bad effects.
Good: The U.S and its allies could use it to defeat the axis powers.
Bad: The axis powers used it to torture soldiers and people.
-Steel jelly
