Explanation:
It had many causes, but there were two main issues that split the nation: first was the issue of slavery, and second was the balance of power in the federal government. ... Without slaves, the South believed that their region's economy would be destroyed.
Special words or expressions that are used by a particular profession and are difficult for others to understand are called "jargon," since they are often only understood by people "in the know".
Answer:
Athens fell to a Persian invasion
Explanation:
1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through
