Maybe there was some cross pollination but the progenitors of country were the hillbilly folk music now now as bluegrass that is rooted in English, Scottish and Irish folk music. Banjos were adopted later, the original form was fiddle based.
African Americans contributed; nothing was "stolen," as romantic of an idea to the chronically-oppressed may oppose.
From: https://moviewise.substack.com/p/a-short-history-of-jazz-in-...