Why did christian crusaders in the 11th century c. e. avoid wearing the color green

What is the definition of evolution

What is the difference between an independent and a dependent variable?

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.