The correct answer is Brown v Board of Education
In its decision, the Supreme Court overruled the Plessy v Ferguson by ruling that the separation of children in public schools on the basis of race was unconstitutional. This ended racial segregation in public schools
The Reconstruction Act helped rebuild the United States after the Civil War.
If the American colonists were allowed more control and representation in they British government they most likely would've been satisfied and wouldn't have started a revolution. If there wasn't a revolution the United States might've still been part of Britain today.
When reading a graduated cylinder, a proper way to do it is to read at the level of the lower or upper meniscus. It is the curve formed at the upper part of a particular liquid that is close the surface of its container. This is caused by the surface tension. It can be in a concave or convex form depending on the characteristics of the liquid. It is important especially in performing laboratory experiments as it indicates the true level of the liquid in the container. When reading from apparatus, the lower meniscus or the upper meniscus is taken as the correct reading otherwise you would record a wrong data.