Answer:
Read below
Explanation:
1: Barbarians kept on attacking
2: Internal stability like the killing of Julis Ceaser
3: Ethnic groups inside the Roman Empire that wanted to be free
4: People were hungry for power
5: Failing economic system
6: The Roman Empire being split in two
7: Some people didn't want to change there religion
8: Rise Of Islam ( later years )
9: Different cultures
William McKinley Republican
William J. Bryan Democrat-Populist
I'm gonna go with C " It provided for quicker transport of manufactured goods which strengthened trade" Hope this helps.
The grinding away of rock by other rock particles carried by water ice or wind is called abrasion.