Rice
America
The rice radical and rice are the same in looks as well as in meaning. This also refers to "America," maybe because America is covered in rice or fields or something?
べい, まい
こめ
None
You've got tons of dry grains of rice. You have no idea what you're going to do with it. Then, you come up with a solution. All this dry rice could go towards filling up the bay (べい), so you have more land to farm on!