Which social theorist said, "religion is the sign of the oppressed creature . . the opiate of the people? "?

What challenges did nigeria faced after it gained its independence from britain

Why is it necessary to obey social norms? write briefly.

Arecession is the total value of all goods produced in a country in a given year total value of all goods and services produced in a country in a given year total amount of money earned in a nation over a specific period of time none of the answers are correct.