A. Foreign
Because its the way the Executive Order Protects The Nation From Foreign Terrorist Entry Into The United States
Answer:
Letters and publications written by Nazi leaders before the Second World War.
Explanation:
This answer is correct because this historian is searching for the motives of these perpetrators, letters and publications can tell their thoughts and conversations.
Answer:
btw im her big brother not lil brother
Explanation:
After the Civil War, Southern state legislatures attempted to restrict the rights of formerly enslaved persons by "passing Black Codes" which segregated blacks from whites.