B. is the answer you will want to put. While they did let African Americans fight in the war in a special unit, they would not allow that unit to be led by an African American. It was headed by a white man named Robert Gould Shaw.
I think that the goal of creating a year-long daylight savings time during the oil embargo is C. to lower the consumption of oil
The awnser is D. In the suffrage era men where portrayed as people who only cared about money and booze and women thought men never cared about women