Is a childhood disorder characterized by the inability to focus for more than a few minutes, to remain still and quiet, to do careful work. parkinson's disease post-traumatic stress disorder attention deficit hyperactivity disorder schizophrenia

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.