The country that restricts travel to American citizens specially for the reasons like journalism and research is CUBA. in 1960's, restriction on travel constitute a key and contentious component in the U.S. to isolate Cuba's communist government.
<u>USA and Germany
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Explanation:
The First, Second, and Third Five-Year Plans were a series of centralized international projects for the USSR economy. They were institutionalized under the mandate of Stalin who took full control of agricultural and industrial activity. There were implemented from 1928 to 1941, the year they were interrupted due to World War II. It helped the rapid development of the industry and especially the heavy industry.
<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
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Wait is this about the movie Coraline or is this about a historical topic because the topic you picked is social studies but my brain automatically said the movie Coraline
<span>Leon Botstein suggests that the American high school is obsolete and should be abolished because of the artificial intensity of a world defined by insiders and outsiders, in which the insiders hold sway because of superficial definitions of good looks and attractiveness, popularity and sports prowess.</span>
