B. Because even with many issues that plagued the Roman Empire economically and politically, By the later years of the empire the Roman military was mainly comprised of trained Barbarian soliders who were inferior to earlier Roman soliders causing a significant decrease in the Roman Empires's Military capablities so many barbarian tribes that began to grow such as the Huns, Vandals, Goth etc. Put immense pressure on the Empire, driving them into the ground economically and causing many issues within the government and eventually being sacked, thus marking the end of the Roman Empire. Sorry for the wall of text but hope this helped :)
To create a balance of power, those were all if the ideas of the groups.
Ex.
NATO,
North Atlantic Treaty Organization, keyword, treaty. It was all alliance between North America and other European countries.
Vienna wanted the balance of power during the wars.
So was the triple alliance and entente.
Answer:
C
Explanation:
because this benefited them directly in a positive way
The clouds of hot ash was on its way to New England but the deadly gases it kept on collecting was making it slower and slower to get it to its "destination".