C generate income from a variety of different sources
Explanation:
The phrase "diversify its economy" in this context simply means "generate income from a variety of different sources."
This is because to diversify the economy means to enlarge the economy of a country or nation through different markets or production streams or sources, which includes entering a new field of operations.
Hence, in this case, the correct answer to the question is "generate income from a variety of different sources."
He referred to the fact that simply baptism of salvation of Christ did not change the acts of people, but that the real act of salvation is dedication to the religious and social movement.
