Generally speaking, this recession was far more devastating than other relatively recent economic downturns in that it lasted longer than expected and many more homes and jobs were lost than expected. Thus the term "Great Recession".
The word which means "can be helpful or harmful depending on the point of view" is beaver. Beaver can both have a good and a bad effect to the ecosystem. In a good point of view, beaver serves as natural filters segregating sediments from flowing to bodies of water. On the other hand, it can also cause flooding.
The printing of books from carved wooden blocks was developed during the Ming dynasty of China. The correct option among all the options that are given in the question is the second option or option "b". I hope that this is the answer you were looking for and it has come to your help.
The industrialization of Washington's economy brought with it more than a few social consequences. The dramatic rise in population and wealth, as well as the greater connection with ideas from the rest of the United States, diversified Washington's culture beyond farmers and laborers.