B To maintain a standard of living
During the wars many men would go and fight risking their lives. This led to the households not making enough income so women also worked so their family could afford to having a decent standard of living.
They feared aristocratic conspiracy
The answer is C) because Richard Nixon's policy was aiming to end the United States involvement in the Vietnam War so he created this policy to train, prepare and equip the South Korean Forces which gives them a greater role in conflict.