Work is force times distance and power is work over time, so you need to know force and distance to calculate both. :)
Answer:
South America's predominant democratic regimes and its increasing interdependence on regional trade have not precluded the emergence of militarized crises between Colombia and Venezuela or the revival of boundary claims between Chile and Peru. This way, how can we characterize a zone that, in spite of its flourishing democracy and dense economic ties, remain involved in territorial disputes for whose resolution the use of force has not yet been discarded? This article contends that existing classifications of zones of peace are not adequate to explain this unusual coexistence. Thus, its main purpose is to develop a new analytical category of regional peace for assessing this phenomenon: the hybrid peace. It aims to research the evolution of security systems in South America during the previous century and build a new, threefold classification of peace zones: negative peace zones, hybrid peace zones, and positive peace zones.
Explanation:
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Stratify means to divide into parts, and unequal parts, such that there is a hierarchy between people.
One of the ways that the American people are stratified is financially: the richest people can have control over the poorer people. This is often connected to politics: the richest people have more political power.
Another way is through education: the more educated people can have more power than the less educated ones.