Answer:
Formal and Informal Communication are two internal communication. Formal communication flows through official channels designed in the organisation chart. Whereas Informal Communication is faster and flows freely in the organization discussing about a diverse range of topics. The communications may be oral or written.
Explanation:
The factor that was a barrier to Italian unity was A. different dialects of Italian were spoken throughout Italy
<h3>Why did it take long to unite Italy?</h3>
The Italians were only united into a single nation in the 1800s and before that had existed as a number of several nation - states such as Genoa, Venice, and Piedmont - Sardinia.
The reason it was so hard to unite them was that there were different dialects of Italian were spoken throughout Italy which led to people identifying with different regions and not wanting to come together centrally.
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