What do we do, make a new SmsLogger class and then replace everywhere in the code instead of the DatabaseLogger() constructor, we initialize new SmsLogger()? That is just waste of time. And the day after tomorrow I no longer want SMS'es but instead something else..
Quick Answer. Napoleon's influence on Europe included the spread of nationalism, shifts in world power, major redrawing of political boundaries and the diffusion of Napoleonic ideas of governance. The political climate of Europe following Napoleon's downfall was very different than it had been prior to his rise to power.
Don't get confused by the name. It was just the civil code that Napoleon Bonaparte established in France. What was significant about it was that it replaced the feudal system, the major governing system since the early medieval period, establishing a civil legal system. It also influenced other civil codes throughout Europe (even though it wasn't the first in Europe).