<u><em>The correct answer is B: </em></u>sites that became the core of the states park system
The Civil Conservation Corps was a group of workers who were recruited from a plan drawn up by Theodore Roosevelt in the framework of the New Deal as part of the strategy to combat the Great Depression.
The work carried out by the CCC laid the foundations of the North American system of National Parks.
Oklahoma is currently noted for having 50 state parks, six national parks or protected regions, two protected national forests and a network of areas for the preservation and conservation of nature.
China instituted a one child policy in 1979 because the government recognized that China's population was growing at an economically unsustainable rate, however this law was highly controversial.
The Spartan government was by a small group of people-the vast majority of citizens could only vote yes or no the questions put to it. Most of the decisions were made by a small group of ephors (high ranking magistrates) constrained by the constitution of Lycurgus and the two kings.
Dropping the bombs on Hiroshima and Nagasaki were not a military necessity because from other reports, the Japanese were about to surrender anyway. It was justifiable because we were scared and we acted because we were threatened.