Which group used the stirrup skilled horseman and seige warfare techinques tp conqier mich of asia and part of eurpose in the 12th and13th centures

1is using relevant evidence 2 is speaking

The american anti-slavery society (aass) (1833–1870) was an abolitionist society founded by william lloyd garrison, and arthur tappan. frederick douglass, an escaped slave, was a key leader of this society who often spoke at its meetings.

North and west was going to give the letter but it seemed quite confusing as a c b and d