Answer:
because huerta was letting people like pancho villa on the loose witch got him mad and he decided not to acknowledge his government
Explanation:
In Dred Scott v. Sandford (argued 1856 -- decided 1857), the Supreme Court ruled that Americans of African descent, whether free or slave, were not American citizens and could not sue in federal court. The Court also ruled that Congress lacked power to ban slavery in the U.S. territories.