What german monk believed that christians had to live by faith alone and depend on the mercy of god?

john calvin
leo x
henry viii

martin lutherwhat german monk believed that christians had to live by faith alone and depend on the mercy of god?

john calvin
leo x
henry viii

martin luther

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.