Researchers in life-span development have a special concern with studies that focus on the relation of age to some other variable.
<h3>What is meant by lifespan development?</h3>
This has to do with the study that is focused on the ways that people would grow and also change during the course of their lives. This is the type of study that would be involved in the patterns of growth experienced and the ways that people would change over the course of their lives.
Hence we can say that researchers in life-span development have a special concern with studies that focus on the relation of age to some other variable.
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ANSWER:
Militaristic power is the power that the military or armed forces has in a country. It’s also their capabilities and power.
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Explanation :Inicialmente se hablaba de "confederación" en el caso de alianzas, por este motivo la palabra "confederación" aún se usa en instituciones de la sociedad civil no estatales (por ejemplo, la Confederación General del Trabajo de la República Argentina o la Confederación Europea de Sindicatos, etc.). Por esta razón el término confederación también se emplea para describir todo tipo de organización que combina la autoridad derivante de otros entes semiautónomos. En tal caso se pueden citar como algunos ejemplos las confederaciones deportivas.