Select ALL the correct answers.
Which are the three main reasons Kennedy gives to develop his argument?

No countries except the United States are even attempting to explore space, and someone must do it.
Only the United States is equipped to ensure that knowledge gained from space exploration is used for good.
Recent advances in technology have brought a Moon landing within US capabilities.
The United States is currently behind in the effort to get to the Moon, and this must be changed.
Launching a rocket to the Moon is a similar challenge to climbing a high mountain or sailing across the ocean.
The rockets and satellites of the United States are far better than those of other countries.