I believe it was the use of poisonous gasses, which they not only used on the Jews but in war too......., or The newly created Machine gun<span />
I like how the tea bag turns to a different color under like 15-20 secs.
I like how if you don’t mix the honey it will just sit in the bottom of your cup forever.
Answer: Industry advanced onward and drew millions of workers into the new cities. urban population increased seven fold in the half-century after the Civil War. Much of America's urban growth came from the millions of immigrants pouring into the... by a number of causes, what historians typically call “push” and “pull” factors.
Explanation:
I DON'T KNOW IF I GOT THIS RIGHT SO DON'T BE RUDE.... and i'm sorry if u got this wrong