Answer:
Patriotism is a factor which establishes a more united community. Patriotism allows people to love other people of their country and help them flourish. Patriotism allows people to be united and help each other. As a result, national unity is achieved.
When people in a country remain united and take stand for each other, better communities and better citizens are produced. Patriotism is the factor which builds love and unity in a country.
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Explanation:

Indian Standards Institute.

Answer:
1. Economy 2. Trade 3. Military
Example; China
Explanation:
In Communist Russia they have a Command Economy, they control Trade Routes, and they control the Military fully.
Since you provided no choosable options, i will just give some examples :
K increase :
- main competitor for food is eliminated, increasing food availability
- an abandoned building increasing nest area
K Decrease :
- Wetlands drained, decreasing water supply
- Parking lot built, shrinking habitat
- There's a new species that require the same food
K not affected
- Offspring live longer<span />