Answer:
<h3>It happens when a population ages an increase in the population's mean and median ages.</h3>
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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