Yerevan is the capital of which former Soviet republic?

Which former slave, author of an 1845 autobiography, was the most prominent African American spokesman of the 1800s? A former socialist, who founded the anti-communist Fascist movement in 1919? Chișinău is the capital of which former Soviet republic? Tashkent is the capital of which former Soviet republic? Which city was West Virginia's capital before Charleston? Which former U.S. Marine officer teamed up with Robert MacNeil in 1973 to cover the Watergate hearings on PBS? A former Vietnam War POW, who succeeded Barry Goldwater as a U.S. senator from Arizona in January 1987? A fort in New Haven was named for which Connecticut patriot who was hanged as a spy in 1776?