A, started the space race. NASA shortly began its work in full after the launch of Sputnik spurred them on.
1. The population of the United States population had doubled; that meant more demands and work.
2. One of Theodore's central belief's weren't believed in much, and only a few more presidents followed it.
Answer:
after animals get better, many of them do not want to go away
Explanation:
this answer gives a reason as to why the animals choose to stay even after getting better
Well they can have equal pay for instance.