1. Te (informal you would be tú)
2. Le (formal you would be usted)
Answer:
The Soviet Union
Explanation:
In 1961, the United States nearly had a full-scale nuclear war with which country?
The Soviet Union
(The Missile War)
Ayer tú (cantar) una canción.
Yesterday you (to sing) a song.
Answer: Ayer tú cantaste una canción.
Yesterday you sang a song.
Cantaste is 2nd person singular which matches tú (you).
