PPSC Assistant (BS-16)-2020 Livestock & Dairy Development, General Knowledge MCQs, PPSC Solved Past Papers MCQsHarriet Tubman who worked against slavery was from? Posted on March 31, 2021 by Rana TahirA. UK B. USA C. Australia D. None of theseShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)