Question

what technological achievement did the soviet union make during this time?
a developing the gydrogen bomb
b. building the suez canal
c. launching sputnik
d. creating the massive retaliation theory

Answer 1

i think the answer is c

Answer 2

@Destinymasha could you help?

Answer 3

yes, i believe C also :}

Answer 4

thank you!

Answer 5

they were the 1st to launch an artificial satellite
-welcome :}