What was the impact of the royal injunctions?

What is the term for a short statement about history that has not been yet been proved

This map is depicting the 16th century route of what explorer? a) hernando de soto b) james oglethorpe c) sir walter raleigh d) juan ponce de leon

After the success of the sputnik launch, the united states feared that they would never be able to launch their own satellite, the ussr had used technology developed by the united states, the soviets had superior nuclear capabilities, that any future us satellites would not be as successful.