How did the lack of knowledge about germs and the cause of disease affect both sides in the American Civil War?

Why is it useful for historians to base certain studies on the analysis of historical themes

Some historians argue that the changes brought by industrialization caused americans to beomce a more secular people. to what extent do you agree or disagree, and why? use evidence from chapter 18 to make your case.

What was the national government’s biggest concern if facing a war, under the articles of confederation? the national government had no national military. the country had grown too large to defend with a small army. the states would not back the federal government. there was no way the states would pay for fighting a war.