The answer is A. Root crops, including yams, sweet potatoes, and taro, became more common.
The root crops became more common, and practically the basic food source. This was due to the fact that the climate and soil on the Pacific islands were excellent for growing them, and of course for having a sustainable food source.
Create your own study aids.Make an outline from your notes of just the main ideas.Make a timeline of important dates or the order of events.Make flashcards for studying vocabulary or events and important dates.Make up your own quiz or test based on your notes and have a friend, parent or sibling test you.<span>
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~Hello there! ^_^
Your question: What waterway is the most significant to the regions due to its vast resources..?
Your answer: Tigris River is the water way that is the most significant to the regions to its vast resources.
The answer is option C.
Hope this helps~