Why was it hard for the British to replace troops and supplies? 1.Their homeland was far away.
2.Parliament would not pay them.
3.They made the Loyalists angry.
4.Their army was poorly trained.

Their homeland was far away. You can't get supplies if you are really far.by the time the letter sent to get the supplies reach there, days would've passed already.

according to worldatlas.com, the u.s. has an 86% literacy rate.