Answer:
The safety of the astronauts
Explanation:
The "space race" saw enormous advancement when it came to the study of outer space. The government of the United States considered this an important mission in order to establish the dominance and power of the country. However, there were factors that made this complicated as well. One of the concerns that NASA had was the safety of the astronauts. This was of particular concern because most of these missions had never been attempted before.
