People started learning how to use technology and motors, battery powered things... so back when the pony express was a thing people would use to get around, we didn't know what cars where so people started building structures using aerodynamics so use cars, trucks, and trains now a days
The answer to this question is <span>B) the President may veto Congressional legislation
President has the right to veto the proposal made by the Congress if the president believed that it does not suit his/her plan for the country. The only way for the Congress to override the veto is if they managed to convince more than 2/3 of Congress to vote with both house voting separately.</span>