What was one of the measures the federal government took in order to bolster the union's ability to fight a long war?

What would lead a historian to consider two events to have a relationship of correlation rather than causation?

The articles of confederation allowed congress to: make and borrow money. declare war. create a postal service. all of these choices are correct.

23 4 5 6 select all that apply. history is the recorded story of the interaction between and o ideas o patterns o future events o environment o people neyt question