It would be harder for us to identify all the different types of animals that lived long ago.
        
             
        
        
        
Enclaves
Explanation:
Enclaves are completely separate holdings that lie within another country. There are several known enclaves. For example, Lesotho a country in Southern part of Africa is an enclave in South Africa, a country. 
- Most enclaves are usually landlocked relying on the main country they are domiciled for strategic economic support and political guidance. 
- Vatican city in Italy is also an enclave in the country. 
- It is completely surrounded by Italy. 
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<span>friends and relative had not seen each other for 30 years since the wall was put in place.
-The fall of the Berlin wall was the first step to the reunification of Germany</span>