Economic factors is your answer
The answer i believe is d
Any options? A reason US joined the war was because German subs destroyed lusitania which had Americans on it. That's one of the main reasons we joined the war, if that's a option for your question then that's it.
If that is not a option let me know and i can further assist
Answer:
They decided to require several kinds of taxes from the colonists to help pay for the French and Indian War. These taxes included the Stamp Act, passed in 1765, which required the use of special paper bearing an embossed tax stamp for all legal documents.
