The word "republic" means the same as a representative democracy. A representative democracy is how the United States views themselves.
A common feeling of those in Angel Island was that the US police and military on Angel Island was evil and that they were oppressing those who wanted to enter the country. He would probably describe how they would often get beaten up or how disease would easily spread since they were on an island or how there wasn't enough food.
The primary reason for rapid growth of labor unions in the late 1800s was the Industrial Revolution, since this led to massive amounts of factory labor that was often dangerous for the workers involved, who had practically no rights under federal law.
8. D 9. A 10. B these are for the first section
It looked like Europe now. But It was calmer back then before WW1
