HELP ASAP!!! Which of the following had the biggest impact on American life and work during the twenties?

options:

the television

the telegraph

the automobile

the airplane

Which explorer travel the farthest south in his journey

The people who came to the american colonies in the 17th century had already been exposed to the idea of limited government mainly to the phrase in the declaration of independence stating "that governments are instituted among men, deriving their just powers from the consent of the governed" illustrates the principle of

What are some effects outside of europe because of world war 1?