Answer:
A. The United States was meant to extend from the Atlantic Ocean to the Pacific Ocean
Explanation:
Manifest Destiny was a belief-by God- to spread democracy and capitalism. The settlers believed that Manifest Destiny was justifiable and inevitable. Due to the rapid expansion in North America-during the 19th century- many Native Americans forced from their lands. As well as a war with Mexico over the border.
During world war I, too many young men were found unfit for the service or to fight that provided the impetus for widespread acceptance of school health education as a field in its own right. After this, school health was required of all the children. In the war , bigger men and stronger soldiers with great lifting strength were required.
I think the answer to this is B