what was the purpose of lewis and Clark expedition choose here 1.learn about geography of the louisanna purchase 2.find a water route to the pafic ocean 3. report on plants animals and people west of missipi

Plz ! the japanese attacked pearl harbol be ( 1 point )a. gain control of the hawaiian islandsb. destroy ships and planes the threatened their expansion efforts c. provoke the united states into declaring ward. demonstrate their support for germany and italy