Answer:
During ww2 all men had to go in for war which then lead to the question who would stay in the country to keep it on and that's where women came up and took on the role of men back home by doing jobs that were meant for mean back then, making fighter airplanes, boats and so much more to help out the men during war, at the end of ww2 women had a role in society because of what they did during the war so then they were allowed to work in offices and some even in factories or jobs that were meant for men, later then they would change an amendment where it says "men and women are equal"
Explanation:
During the great depression in the 1930s, people were asking for food and clothes and anything and this drove the government crazy so in 1935 they created welfar for poor children and other people which would then go on for 60 years
We probably wouldn't have had as much technicologic inventions and the leader system would probably be messed up as well.
The Eiffel Tower
it's really big and stuff