Because it meant that they wouldn’t have to fight with the south. It was also because slaves picking cotton in the south helped businesses make money in the North
The answer is d. using their muscles
<span>The present-day Republican Party is descended from the "Whig Party," since the Republican Party was formed primarily out of an aversion to slavery in the US. </span>
The geography, including the Alps and the Apennines, made it difficult for invaders to boycott (surprise attack) the Italians. The mountains act as a sort of natural barrier protecting Italy from harms way.