How have the ideas of justice and equality evolved over time since the creation of the U. S government to the present

What other considerations besides geographic ones did the allies have to take into account when choosing a site for the invasion?

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.

Who did the first work in creating vaccines