Question

what is the meaning of the word in bold? for three years in a row, swarms of locusts have descended on madagascar, ravaging corn and rice crops in a country where survival depends on subsistence farming. ergo, finding a way to stop the swarms is a top priority. however arguably nevertheless therefore

Explanation:

The word "Ergo" is a conjunctive adverb used to indicate a conclusion or result. In the context, it connects the locust infestation problem to the priority of stopping the swarms, showing a cause-effect relationship. The option that matches this meaning is "therefore".

Answer:

therefore