Some examples of seas are: (These are the 7 seas)
El golfo Pérsico - The Persian Gulf.
El mar Negro -The Black Sea
El mar Caspio -The Caspian Sea
El mar Rojo - The Red Sea
El mar Mediterráneo - The Mediterranean Sea
El mar Adriático -The Adriatic sea
El mar de Arabia - The Arabian Sea
I figured I would put it in Spanish and English just in case.
Hope this Helps!!
A)because Chinese immigrants would work for low wages, which labor leaders felt took jobs away from US citizens.
Because the Chinese immigrants were pushed into cities like San Francisco, after they worked jobs as gold miners and in the railroads, they took up low-wage jobs such as in restaurants and in laundry. The Labor movement than took this as the Chinese immigrants as taking the low-wage jobs of Americans, and since they did not use government institutions such as schools and universities, since the majority of Chinese immigrants were healthy, young men, they used this as an excuse to make an act against them.