sentences:  In the 1820s and 1830s, he strongly opposed the American Colonization Society's efforts to relocate free blacks to the colony of Liberia in West Africa.In 1808 he organized St. Philip's African Church in lower Manhattan, the second black Episcopal church in the United States.In 1827 he was a co-founder of "Freedom's Journal," the first African-American owned and operated newspaper in the United States.