How can the United States create an enviornment that will include all immigrants and
keep the new industrial economy moving

In fact, immigrants contribute to the U.S. economy in many ways. They work at high rates and make up more than a third of the workforce in some industries. Their geographic mobility helps local economies respond to worker shortages, smoothing out bumps that could otherwise weaken the economy.

to protest slavery i would think it would be a

c. free trade can lead to low pay for workers in poorer countries.