Do anybody know this

During the end of the 19th century and the early 20th century the was becoming one of the most popular instruments in america? banjo fiddle guitar pianola (player piano) tambourine

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.

Who was the first explorer to sail all the way down the mississippi river