The several kinds of penicillin synthesized by various species of the mold Penicillium may be divided into two classes: the naturally occurring penicillins (those formed during the process of mold fermentation) and the semisynthetic penicillins (those in which the structure of a chemical substance—6-aminopenicillanic ...
The answer is a. Trade with other Asian nations
was a large reason for industrialization in Japan. Japan was now
entering a phase of modernization. It
was now making a shift to trade with other countries to boost its economy.