A proxy war by definition is "A war instigated by a major power but itself does not get involved" I know the U.S got involved in Korea. Vietnam and had to help the British keep control during the Greek civil war so I'd go with Afghanistan since the U.S only supplied insurgent groups with weaponry and did not challenge the USSR openly.
<span>Forest fragmentation is the breaking of large, contiguous, forested areas into smaller pieces of forest; typically these pieces are separated by roads, agriculture, utility corridors, subdivisions, or other human development. It usually occurs incrementally, beginning with cleared patches here and there – think Swiss cheese – within an otherwise unbroken expanse of tree cover</span>
The correct answer is "an environment made up of construction".
This refers to Created Environment, wherein is is described as an environment made by men through the use of construction to satisfy their daily needs, such as shelter, industries and the likes. Created Environments come from Man Made Technologies, such as roads, factories, private homes and etc.