Porque tenemos que estar alerta de lo qué pasó
The answer would be flexible in the missing blank.
If it is a multiple choice question pick B,C, and E. If you can only pick one I guess go with just C. I am answering based off of what I was reading right now. Sorry, if I mess it up for you. Good luck!
Answer:
The Berlin Crisis started when the USSR launched an ultimatum demanding the withdrawal of all armed forces from Berlin, including the Western armed forces in West Berlin. The crisis culminated in the city's de facto partition with the East German erection of the Berlin Wall.
Explanation:
