The armies of ancient Rome often had to cross rivers to reach distant parts of the empire. This posed a problem because bridges built by earlier civilizations could not bear the weight of many troops. The Romans overcame this obstacle by building

`stare decisis is a legal doctrine that obligates courts to follow historical cases when making a ruling on a similar current or future case. stare decisis ensures that cases with identical facts be approached in the same way, unless overruled by the same court or a higher court such as the us supreme court. simply put, it binds courts to follow legal precedents set by previous decisions.

stare decisis is a latin term meaning "to stand by that which is decided".

the answer is b: an economic crisis throughout the country.

music and prayer? (you may punch me in the face if im wrong : > )