The correct answer is B) rivalries between classes.
The other options of the question were A) defeat in the Punic Wars. C) a refusal to build a navy. D) the invasion of Muslim armies.
What was a factor in Rome transition from a republic to an empire was "rivalries between classes."
In 509 BCE, the Roman Republic had been founded, installing a representative democracy after many years of Etruscan rule. It was after Julius Caesar's death, that his nephew Augustus became the first Roman Emperor, and the Republic became a thing of the past. Many things changed but the differences and rivalries between classes remained.
, Antietam was the bloodiest single-day battle in American history with over 23,000 casualties (men listed as killed, wounded, captured or missing) in roughly 12 hours. The battle ended the Confederate invasion of Maryland in 1862 and resulted in a Union victory.
The U.S. government openly stated that they would view any European interference in Latin America as "an act of aggression". This mentality was articulated in the famous "Monroe Doctrine".
The answer is the growing political influence of women. The
Eighteenth Amendment was the result of decades of effort by the temperance
movement in the United States and at the time was generally considered a
progressive amendment. There are claims that prohibiting the sale of alcohol
would eliminate poverty and social issues like violence and immoral behaviour. And
also they believe that families would be happier it inspire new forms of sociability
between men and women.