Answer; First you need to understand what the text is about to be able to put the marks
Explanation:
He was impressed by the river chariots in Hannibal, and wanted to become a steamboat captain. Mark Twain even got an apprenticeship with a steamboat captain.
In Mark Twain's writings of the Mississippi river that borders Hannibal, he claimed he was extremely impressed and fascinated by the Mississippi river.
For more about Hannibal, Missouri you can visit https://hannibal-mo.gov
the one that America has donee to prepare for war while all of Europe was already in war was : C. ammunition and war machines have been produced in large quantities Back then , the majority of US Gross domestic products was dominated by war-related goods because many companies were assign to produce it hope this helps
I’m pretty sure the answer is 4/D.