Its A
I just know okay and Braliest PLZ
It leaves (leaf=leaves haha)
A. Better machinery as industrial revolution took course between 1820- 1840
Answer:
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Answer:
Chinese workers flocked to the in the 1850s, first to work in the gold mines, but later to take agricultural and factory positions. As the number of Chinese workers expanded, so did anti-Chinese sentiment among other American workers. This led to laws limiting future Chinese worker immigration to the US.