The science of adjusting environments, tasks, or procedures to fit the individual is ERGONOMICS. In other words, it is also defined as the study of a worker's efficiency in a workplace and how this efficiency can be improved together with the well-being of the worker.
Marshall plan: provided economic aid to Europe. It was implemented by the US and assisted Western Europe countries which had adopted a market economy system after WWII.
United Nations: approved the partition of Palestine in 1947. Such resolution advised that two independent Jewish and Arab states should be created.
Warsaw doctrine: strengthened soviet control over Eastern Europe. It was a treaty signed among the Soviet Union and seven of its satellite states in order to colaborate in common defense issues.
Truman doctrine: outlined the ways to contain communism. It contained the guidelines of US foreign policy that aimed to limit the geopolitical expansion of the Soviet Union and its allied states.
In Athens only adult males with military training could vote and they voted for everything unlike in us citizens age 18 and above can vote and in US the people elect representivites to represents them.