The effects of the Portuguese maritime empire in the Indian Ocean can be summarized as follows:
The Portuguese maritime empire continued the Columbian Exchange, expanded global trade, expanded Christianity’s influence, and led to the suppression of local customs and beliefs.
This response accurately reflects the significant impact of the Portuguese in the region, including their role in the exchange of goods, the spread of religion, and the cultural changes imposed on local populations. The other options do not capture the broader implications of Portuguese actions in the Indian Ocean.