The Earth receives different amounts of energy from the sun in each hemisphere because C. its axis is tilted.
Because they come from the same ethnic backgrounds
Answer:
1. Invasions by Barbarian tribes
2. Economic troubles and over-reliance on slave labor
3. The rise of the Eastern Empire
4. Over expansion and military overspending
5. Government corruption and political instability
6. The arrival of the Huns and the migration of the Barbarian tribes
7. Christianity and the loss of traditional values
8. Weakening of the Roman legions
I would explain all of them but its gonna take long so hope it helps mark me as brainliest.