Answer:
Invasions by Barbarian tribes
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.
Arrested and beheaded in public.
The small kingdoms and the city states in the western asia
has emerged because of when the Hittite kingdom has come to an end and another
cause is because of having Egypt to weaken that led it to continue to emerged.
Monosaccharides are also known as sugars i think