3. Who gave Hitler his first defeat? What technological advances allowed them to defeat him?

brainliest is someone you pick by simply clicking a button. it only shows up if there are two people that answered your question, then you decide who answer more accurately with detail and explanation and you give that person the title "brainliest".

i hope this your understandings.

a big wall across the mexican border so no drugs, terrorist, or illegal immigrants can come through : )