This is called a complex reaction time. Since the response is for a multiple stimuli and response possibilities, it should be a complex one which relates to "many" or multiple. The total time to respond to a stimuli is called a reaction time. Thus, it represents a complex reaction time.
Nominating conventions replaced the caucuses (which was led by the congress) so when nominating conventions made it to where delegated from the states could vote, it let more citizens participate in choosing from the presidential candidates, this influenced the democratic government greatly.
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After the German occupation of Prague in March 1939 in violation of the Munich agreement, the Chamberlain government in Britain sought Soviet and French support for a Peace Front. The goal was to deter further German aggression by guaranteeing the independence of Poland and Romania.
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