It was John Tyler.
Tyler's opponents regularly called him "His Accidency" and addressed correspondences to him as "Vice President" or "Acting President" (letters which he returned unopened).
When his term ended in 1845, he did not seek election.
Answer:Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders.
Explanation:
