Brainliesttt asap! urgen : )explain who was responsible for the airplane advancement and how did the advancement affected 20th-century life.

The Jet plane slowly appeared in from a lot of places, Germany, UK, and Ancient Egypt probably had one as they had a helicopter and they keep finding jet airplanes in the tomb of king tut Kangz.

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!