Why were black soldiers not used in battle as much as they want

Because of Confederate Threats

In general, the Union army was reluctant to use African American troops in combat. This was partly due to racism: many Union officers believed that Black soldiers were not as skilled or as brave as white soldiers were.

d) the lindbergh baby kidnapping

hope this

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know