Answer:
The picture is not clear!
The answer is b- buying and selling goods
First Islam is a noun and means the religion of the Muslims, a monotheistic faith regarded as revealed through Muhammad as the Prophet of Allah. Another meaning is the Muslim world.
now signify is a verb and means be an indication of. Some synonyms are be evidence of, be a sign of, mark, signal, mean, spell, be symptomatic of, herald, indicate; literary betoken
