A.
a reduction in tensions between the West and the Eastern Bloc
Answer:
we definitely need some positive vibes
Explanation:
Infant mortality is the death of an infant before his or her first birthday. The infant mortality rate is the number of infant deaths for every 1,000 live births.
Due to the fact that there were hot air balloons and everything else, he wanted to explore beyond that and go to the next level, which then in turn made him want to start tinkering with rockets.