Answer:
Tanks, machine guns, aircraft and chemical weapons were all refined and their technological secrets captured, causing lethal and simultaneously constructive effects. From such analysis, World War One is evident of a major modern turning point in history.
The entry of the United States was the turning point of the war, because it made the eventual defeat of Germany possible. It had been foreseen in 1916 that if the United States went to war, the Allies' military effort against Germany would be upheld by U.S. supplies and by enormous extensions of credit.
Strangely enough the correct answer here would be actually D as the voting ballots before the 1890s were in fact printed by the political parties themselves. Today the printing of ballots is a very serious business and there are strict regulations and control mechanisms in place in order to stop voter fraud which unfortunately is a big issue.
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How the U.S economy was connected to the broader global economy during the Cold War was by relying on sales in the markets that are located overseas. The U.S economy also needed oil which were produced overseas, thus, suffered a lot due to the oil rise in the year 1970. Hope this helps.
The anwser is:
Dictatorship
governed by a dictator, or supreme leader