The answer to the first unknown is "POCKET" while in the second unknown is "CANNOT". Hence, in order for us to complete the statement in the problem we have it, a POCKET veto can occur when the president has presented a bill during the last ten days of a legislative session and CANNOT be overridden by a two-thirds vote in both the house of Congress.
Ulysses S. Grant did, I hope this helped.
By working together voluntarily, the railroad companies were able to standardize their timetables in 1883. The correct option among all the options that are given in the question is the second option. The creation of time tables made the railway system more efficient and people could know the exact time at which their goods or the people travelling will reach their destination.
