It’s B
The Berlin Wall was built by the German Democratic Republic during the Cold War to prevent its population from escaping Soviet-controlled East Berlin to West Berlin, which was controlled by the major Western Allies.
The answer is A. precedent
911 was one of the most tragic event in modern history to happen what is believed to happen is that two plan crashed into the twin tower cause them to fall and the other plan would have crashed into the White House if some of the passengers had not taken upon them self to turn the plan a different way to stop it from hitting the White House
The statement that best describes African American experience in the military is "limited yet significant".
The African American experience in the military can be described as "limited yet significant" because the African Americans were not allowed to occupy combat positions BUT their importance in the transport part is crucial.
They wanted to retain their traditional values.