Both of the governments have the power to collect taxes, build roads, borrow money, establish courts and create new laws, and many other powers which are not as relevant.
The buy local ( produce, food, goods ) movement encourages consumers to chase goods that are produced nearby to save fossil fuels.
The answer is C) Dredging to reclaim beaches can stop erosion, but it can also create other problems, because the article mentions that dredging can help, but it also creates it's own problems, such as causing harm to the plants and animals native to the collection site, and it is a very costly process.
The answer to my best knowledge is C.
