Procter$$ & Gamble$($P&G$)$ has a research center in Belgium that instituted$$ water$-$softening technology to address the hard water problems in Europe. In$$ Japan, P&G developed a laundry detergent for use in cold water because Japanese customers prefer washing their clothes in cold water. These are examples of$\_\_\_\_\_\_\_\_.$

Question content area bottom

Part $1$

A$.$

diversity

B$.$

strategy

C$.$

flexibility

D$.$

efficiency

E$.$

learning