Help (i'll mark as brainliest)

Which was not a reason for the fall of the han dynasty? neglected farmland civil war decline in trade peasant rebellions foreign invasions

Who was the fifth president of the u. s.

The idea of manifest destiny simply stated it was america's destiny to expand from the atlantic ocean to the pacific. the word "destiny" implies an idea that it was within our rights as a nation to expand. in a paragraph of 125+ words, explain what could be wrong with that idea.