Which statement is true about the Mongol mounted warriors?

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.

How was classical persia's extensive network of roads important to its civilization?

What issue lead from texas seceding from the union