Answer:
invasion.
Explanation:
1.. 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 border
The human genome project increase the amount of food a farm could produce.
Answer:
Jefferson Davis was president of the Confederate States during the Civil War.
Explanation:
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According some historian many factor influenced the American revolution.
But one of the most important was the Enlightenment known as the period when people started to reason and question the order of things. One of teh most important philosophes whose writting influenced the American revolution was John Locke.
By the other hand the glorious revolution which took place around 1688 in england and it did mean the discrecement of monarquical power in that country and starting of the wobble in the countries under its mandate.
In summary the option b is the correct answer.
