Although tanks were slow, how were they beneficial?

They are beneficial because, they are like armored people with bigger guns. So unless you can somehow manage to stop it or escape to sea and leave your country to mercy of the tanks than you'll have to destroy them somehow. So, they inspire fear and do heavy damage on the battlefield on a land based battlefield.

Explanation:

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.

d) eastern business owners and former federalists