D. internal improvements that could make the nation more self-sufficient
World War I killed more people (9 million combatants and 5 million civilians) and cost more money ($186 billion in direct costs and another $151 billion in indirect costs) than any previous war in history
I hope that this helps you
Assembly Production Lines.
Ford learned from the meatpacking industry and gave each employee a discreet task along an assembly line that enabled the job to get done faster.
Answer The Confederate soldiers knew the terrain better than that of their counterparts. A psychological aspect could be that they were fighting for their land, for their families, which could have been the driving force although they were vastly outnumbered.
Explanation:that is it
