Answer
eventually returned to their home countries
Explanation
Many new immigrants entered in the US in the late 1800 in large numbers and most of them were from western and northern Europe. They fled to US because there was job shortage in their country and also crops farming failed due to their land being infertile and famine.There was also high taxation in their countries. Others were moving to US to seek for freedom due to the political and religion persecution. Many immigrants eventually returned to their home countries this is because in their mind they didn't come for a permanent stay.
Answer:
Import and export tarrifs.
Explanation:
Massachusetts
"In the 1870s, Massachusetts began to investigate factory conditions."
The industrial revolution completely changed Massachusetts in the 19th century. It transformed its economy, society, transportation, health and medicine.
Massachusetts is known as the "cradle of the American Industrial Revolution"
The correct answer is b) articles of confederation
The articles did not deal with human rights and welfare because they were mostly about establishing a government to begin with. When things such as state and individual rights started popping up, they abandoned it and adopted the US constitution with the bill of rights.