Which part of the historians argument references specific examples of historical evidence?

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.

What is the purpose of the system of checks and balances

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f