Can some 1 answer my last two questions they are the same so you get 20 pts

Difference between president and vice president

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

The impeachment of president clinton by the u.s. house of representatives occurred with a. virtually all republicans supporting it, while virtually all democrats opposed it b. about two-thirds of republicans supporting it and about two-thirds of democrats opposing it c. half of all democrats and half of all republicans supporting it, while half of all democrats and half of all republicans opposed it d. virtually all democrats supporting it, while virtually all republicans opposed it