Answer:standard unit of measurement provides a reference point by which objects of weight, length or capacity can be described. Although measurement is an important part of everyday life, kids don't automatically understand that there are many different ways to measure things.
Explanation:
The political movement that emphasized conservation at the turn of the century was the progressive movement. The movement refer to an ide where the Government would focus more attention at the development of science and technology
It was the The Battle of Antietam during the Civil War that was the bloodiest single day in American history--with he battle leaving roughly 23,000 men killed or wounded.
