Daily Puzzle 11/05/24 (Daily Puzzle Series Day #171)

Daaang

In the first puzzle, I can't figure out why my move has to be 4.Bc4 (followed by Be2+) and not (as an alternative) 4.Bb3 (followed by Bd1+). Yes, the Black e-pawn can block, but that only delays things.

Bb3 e2

Thank you, sometimes it's so easy to miss the obvious.