30 points for this question Write two paragraphs in a TEEL structure of a comparision of Medieval knights and Feudal samurai. one for the similarities and one for the difference thanks for the help :3

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.

The sixth amendment of the u.s. constitution guarantees the right to which of the following?

2. what was the dred scott decision about? what do we learn from this supreme court case?