Listen to Rabbi Jack Zimmerman’s exposition and refutation of Supersessionism (aka Supercessionism aka Replacement Theology). Replacement Theology in 6 Minutes by Messianic Rabbi Jack Zimmerman:
a-Explain Supersessionism in your own words. (Notice that Romans 9 – 11 are key biblical chapters when considering this huge issue.)
b-Explain what Rabbi Zimmerman (and many others) claims is erroneous about Supersessionism.
c-Concisely, state your own belief about Supersessionism. Explain the reasons that buttress your belief.