I’m not sure if you mean technological and economic development or just products coming out kind of development.
Well I’m not gonna write out two paragraphs but some important tech and economical developments were:
The radio became widespread. It was welcomed by the public and by 1934 almost 60% of the US had radio access. Sports events, news, dramas and more were broadcasted through the radio.
Stock markets across the west developed negatively. On Black Tuesday, stock markets crashed, sending the world into the Great Depression.
Too late now, but it was probably 50 right?
In the end she settled for something simple: a black tee, ripped jeans and a headband is the right answer
hope this helps
It ended the period that was known as salutary neglect period. This was a period in which the British crown did not enforce its parliamentary decisions on the colonies, and in return the colonies were obedient. When the two acts were passed, the began getting enforced and people disliked this.