What clause in the Constitution grants Congress the power "to regulate commerce with foreign Nations, and among the several States, and with the Indian Tribes"?

What are direct payments by governments to individuals as part of a social welfare program (not as a result of any service or contribution rendered by the individual)?

a. means-tested spending b. poverty line avoidance c. transfer payments d. entitlement spending

Latino public opinion tends to 

A. look very similar on jobs, education, and foreign policy to other Americans. B. look very similar on immigration reform to other Americans. C. diverge from the rest of the United States the longer the Latino has lived in the US. D. lack a generational gap. E. The studies on Latino public opinion are too recent to tell.