Pls help, It would be greatly appreciated. In the ´Congress and Harriet Tubman’s Claim for a Pension´, in the Letter from Sereno E. Payne, What is the author of this letter trying to accomplish?

During the antebellum period, religion was used by many americans to a) justify the existence of slavery. b) unify all churches against slavery. c) allow slaves to become ordained ministers. eliminate d) inspire slaves to spread christianity in africa.

Anode is a point on a wave where there is no vibration. a.true b.false

Why would it be hard to live in a city state