Explain the possible economic impact of DACA

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Which of the following was a difficulty faced by the ottoman empire in the 1700s and 1800s?   a.  financial independence      b.  lack of trained artisans      c.  refusal to trade with other nations      d.  rebelling ethnic groups

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)