How could john newton reconcile his christian faith with his career as a slave ship captain?

As a slave ship captain, John Newton would read passages from the bible and often used it as a basis to do punishment to the slaves.But over period of time, John Newton realized the devastating effects on Africans and started to take a stand against it. He began to spread a lot of anti-slavery pamphlets in his hometown in his fight to abolish it

B. it promoted the powers of the executive branch